Posts by tag: Two Stroke

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We have 15 years of archives. Please note that posts over a year old may have been updated to point to similar bikes available to bid on eBay.
Suzuki June 9, 2022 posted by

Think Small – 1987 Suzuki RG250 Gamma

Most often we find the junior two-strokes in a much sadder state, but this one has been given some recent attention.  This Canadian example might be a good entrée into the smoky side of sportbikes.

1987 Suzuki RG250 Gamma for sale on eBay

Suzuki seems to have had a 247cc two stroke twin in the line-up forever, but the RG250 and Gamma took the model to sportier places.  For 1986-7 the Mk. 3 Gamma used a power valve – Automatic Exhaust Control in marketing lingo.  49 hp was a slight increase but the width of the power band was the emphasis.  Revised brakes were dual four-piston affairs, and the forks included an anti-dive circuit.  The Full Floater monoshock had made its way over from the motocross side and allowed the shock to be positioned further forward, centralizing mass, and the fully adjustable shock could be shorter and use lighter springs.  16-inch front /18 rear tires have -80’s stagger, but with a 100mm section not much width.

Though not quite a full resto, this owner has done more than just paint work and gives some options to the next rider.  Some rubber hole plugs and a bar-end mirror might slip this 250 through the air easier, and as problematic as they can be, some lower profile front blinkers seem to be in order.  The white wheels are the next cosmetic item, or they could go black and pretty badass.  With new tires, brakes and battery, more improvements could be made without taking it off the road.  A short – video – is offered, along with notes from the eBay auction:

Numbers matching engine and frame and the bodywork is original – not aftermarket.  Original Canadian Bike.
 
The bike was originally the two tone blue and white but was repainted in the factory correct 1987 colour red/black and white (it just looks better with this livery)
 
Sounds great – tons of power for the size and razor sharp handling with the aluminum twin spar frame (it was known as the first street legal race bike)
 
Parallel Two Cylinder with Suzuki’s AEC system – Automatic Exhaust Control – power is about 50 hp and weight is under 300 pounds! Full Floater Suspension, Six Speed transmission.
 
– Brand new tires
– Brakes fully rebuilt
– Brand new battery
– New upholstery on seat

Only the reserve will tell whether this owner considers this a finished piece or a nice rider with a few details to address, and of course repairs which any 35 year-old bike can expect.  Many RG250’s are shown without the lowers, and the factory fairings are a strong positive.  At this point in their lives, most have less miles but more corrosion on the exposed aluminum.  A lot of pluses and minuses to weigh over the next few days.

-donn

Think Small – 1987 Suzuki RG250 Gamma
Honda May 29, 2022 posted by

Market Rules – 1986 Honda NS400R

To have been in a 1986 showroom – Suzuki had the RG500 and Yamaha the RZ500, but Honda again went for a bit more lightness and made their GP replica a 400, which at least made sense in Japan.  This example from north of the border really shines considering its nearly 16K miles.

1986 Honda NS400R for sale on eBay

To keep up with the other race reps, Honda produced a fair likeness of  Freddie Spencer’s NS500 racer, with a peculiar V3 smoker, small pattern alloy chassis, and classic full fairing.  Three Keihin flat-slides are in the vee, making 72 hp available on an ATAC power valve-assisted torque curve.  Sleepy through 5,000 rpm, the screaming shortly starts and runs to 9,500 rpm and 125 mph.  Forks were air-assisted with TRAC anti-dive, and a Pro-Link monoshock was underneath.  Brake and tire sizes remind you that this a potent middleweight rather than a superbike.  Oil injection and all the street gear brought the fueled weight up to just over 400 lbs. wet, not bad though Spencer’s 500 weighed almost 100 lbs. less.

Offered by a private individual in Quebec, this excellent example looks complete and correct right down to the sidestand fairing.  Freddie’s signature is on the seat bottom, though present day etiquette would have it right on top of the tailcone.  A quick video is offered – here –.  We’ll let the comments from the eBay auction pick up the story –

1986 Canadian NS400R Freddie Spencer HRC EDITION with the signature – V3 cylinders – 2 stroke – very RARE: less than 400 sold in the whole America… never produced for USA market – 360 lbs dry weight (approx).  Includes current Quebec-CA Clean title/ownership at my name… Immaculate condition and excellent very rare example of a 36 years old collectable 2 stroke bike… only 25,330 km (15,740 miles)… a similar NS 400R like this one just sold for $25,300 this past January at Mecum auction in Vegas (You can see it on last picture).

Only imperfections I could see are a very small paint crack under right side mirror (professionally repaired)… you can see it on the zoomed picture with a green arrow. The brake hoses are not oem because the rubber was cracked in a few places on the previous ones… and it was hard to find an oem hose.

The rear top muffler guard are dismantled for a better look… but is in perfect condition like you can see in the picture.

Reviewers told of a street machine with clear racing lineage, though the power valve system civilized its manners more than most smokers.  None of the mid-size two strokes were offered in the USA, and though they’ve had some grey market presence here, all were retired by the end of 1987.  Maybe some hi-res pictures would help the puzzling lack of bids, but we’ll be watching.

-donn

Market Rules – 1986 Honda NS400R
Suzuki May 27, 2022 posted by

1986 Suzuki RG500 with Lance Gamma Upgrades

The Suzuki RG500 needs no introduction on this website, especially when Lance Gamma has been involved in the updates. Rick Lance was the Jedi Knight of RG500 tuning and upgrades. A master of his craft.

This auction listing is currently bid to $16,100 and has a buy-it-now of $42,995. Somewhere in-between a buyer is going to score a straight up legend.

dc

1986 Suzuki RG500 for sale

from the seller:

If you are looking for a completely stock Suzuki RG500, look elsewhere! If you are looking for an RG that was built to be all that an RG can be, read on! I found this 1986 RG500 over a decade ago through Rick Lance of Lance Gamma fame. While Rick is no longer with us, he was the “GO TO GAMMA GUY” until his passing a few years ago. He had worked with the previous owner of this bike to help him build a bike with all the best parts and technology available for an RG at the time. The project started with an original stock Canadian import bike (Km speedometer) in good condition with approximately 11,000 miles on it. The bike was disassembled as required and all aspects of it built to the highest specifications for a super fun street racer.

The engine was gone through, cranks rebuilt and new stock bore pistons and rings installed. A new Dyson NOVA close ratio transmission along with their Nova straight cut primary gear set installed to address the well-known weaknesses of the stock RG transmission. In addition, a Lance Gamma clutch kit was installed to alleviate any clutch related issues. A shifter support was added as well to alleviate another well-known RG weakness. Carbs were rebuilt with a set of Lance Gamma float valves and Tripod air filters added to maximize fuel and air flow. Last, a set of TC expansion chambers added to handle exhaust duties.

To accommodate the TC chambers, a modified Lance Gamma battery/oil tank relocation kit was added along with a super lightweight Shorai lithium battery. And to make sure there were no overheating problems, an oversize aluminum radiator was added as well.

Handling was addressed next. Per Rick’s recommendation, stock wheels were exchanged for a set of freshly powder coated 17” GSX wheels front and rear with custom machined spacers. These wheels are wider than stock, convert the stock 16” front rim to 17” and allow a much larger selection of high performance tires to be used. Front brakes were upgraded with the addition of GSXR calipers, EBC discs, and Galfer steel braided brake lines. A new aluminum front fork brace was added as well. At the rear, an Ohlins shock with adjustable ride height adjuster was added along with another Galfer steel braided line.

Last, to deal with the cosmetic cracking issues that the stock plastic fairing, belly pan and seat cowl had, an Air Tech fairing and rear cowl was painted to match the paint scheme of the original paint tank. There are a few very minor touch ups on the right side of the front fairing nose where another bike from my collection fell into it, but they are minor at best (see pics). There are also a few very small stress cracks in the white paint on the rear cowl that even Air Tech wasn’t able to avoid with expansion chambers in such close proximity (again, see pics).

Mod Summary:

· Dyson Nova Close Ratio Transmission
· Dyson Nova Straight Cut Primary Gears
· Lance Gamma Clutch Kit
· Lance Gamma Float Valves
· Lance Gamma TriPod Air Filters
· TC Expansion Chambers
· Oversize Aluminum Radiator
· Lance Gamma Oil Tank/Battery Relocation Kit (modified)
· GSX 17” Powder Coated Wheels
· EBC Front Brake Discs
· GSXR Front Calipers
· Galfer Steel Braided Brake lines (F & R)
· Fork Brace
· Ohlins Adjustable Rear Shock
· Ride Height Adjuster
· Air Tech Fairing Painted in Original Paint Scheme w/Sticker Kit
· Zero Gravity Windscreen

The previous owner enjoyed the bike for a 1000 or so miles after it was built and then passed it on to me. I GREATLY enjoyed it for a several hundred more miles and promptly ruptured two discs in my lower back and haven’t ridden it in anger since! I finally “pickled” the bike about eight years ago, and it has been sitting in my indoor collection since. I have finally come to the realization that my age and health will prevent me from enjoying it as intended again so it is time to pass it on to the next caretaker. It is the third RG500 I have owned and by far the best and most fun one of the three!

I have just changed the transmission oil, refreshed the brake fluid in both front and rear brake systems and put in new coolant. I’ve included some pics of the bike with the body work off so you can see just how clean this bike is. I also included a pic of the plugs as they came out of the bike from the last time it was run and put into storage (1-2-3-4 R to L, jetting is spot on!).

I’ve since started and run the bike using a 30:1 premix to be sure all is well (I have not fully checked the automatic oiling system but it appeared to working correctly after start). Started on the fifth kick after eight years! Everything works as best I can tell, but I would suggest a thorough recommissioning to be sure all is in order. Oh, and new tires if you intend to ride it in anger as it is intended. The Metzler ME3’s that are on it are over a decade old now! The bike also comes with two original Suzuki keys, the original owner’s manual, an original Suzuki shop manual, a variety of mods information and documentation, and both an original parts micro-fiche and a hard copy print out of it. Last, I DO NOT have any of the original stock parts. What you see in the pics is what you get.

As an ex-AMA Pro Roadracer, this bike is as close as you are likely to get to the riding experience of the TZ250 and TZ700 I raced back in the day. It is a VERY NICE survivor and one which I’m sure I will regret selling, but age and medical issues say it’s got to go.

This is a very nice example, but it is a USED motorcycle that is almost 40 years old and it is NOT perfect. It is sold as is where is with NO warranty, NO guaranty or any other kind of ”–ty”. The motorcycle has a clear Arizona title in my name with no liens so no issues there. I am happy to arrange a pre-sale inspection if you care to see it before you bid.

1986 Suzuki RG500 with Lance Gamma Upgrades
Aprilia May 21, 2022 posted by

Little Italy – 1995 Aprilia RS250 Loris Reggiani Replica

1995 Aprilia RS250 Loris Reggiani Racing Replica

1995 Aprilia RS250 Loris Reggiani Racing Replica

Up for sale today we have a 1995 RS250 Reggiani Race Replica. The RS250 was first released in 1994 after Aprilia pocketed both the 125cc and 250cc championships. While RS250s were mostly popular in Europe, some examples, including this one on BAT, have made their way into collections stateside.

The RS250 is what you would get if you plucked a commoner out of Japan and took them on a shopping spree in the Milan Fashion District. Swap the Asics for some Ferragamos. Aprilia realized there was no need to reinvent the wheel to make their way to the top step of a highly contested 250cc class. They started with Suzuki’s RGV250 engine and wrapped it in go-fast bits. The seller does a good job detailing the specs in the listing so I’ll stay out of the way there.

1995 Aprilia RS250 Loris Reggiani Racing Replica

To keep up appearances, Aprilia had to boost the power spec so their owners could scoff at regular 250s wherever they went. With some tweaks, Aprilia claimed they got 72.5 hp but that number was a bit lower in reality. I don’t think the hp number is all that important for these bikes anyway. The experience of riding a two-stroke race bike on the street is really what you are buying. If you do fancy a bit more power check out this exhaust system from Tyga Performance.

1995 Aprilia RS250 Loris Reggiani Racing Replica

Looking at the frame of the RS250 compared to its Japanese counterparts, you see the distinct design philosophies that have goverened everything that has come out of Japan and Italy. Keep in mind, this isn’t just a pretty face. The swingarm is asymmetrical to allow for more cornering clearance with the exhaust, the frame is made out of magnesium and aluminum to keep the weight down, and the Brembo binders that pinch two 298mm discs up front are more than adequate for race use.

1995 Aprilia RS250 Loris Reggiani Racing Replica

The seller completed a pretty thorough overhaul of the engine. They say a picture is worth a thousand words and there about 7 pictures of the engine overhaul in the listing and 3 videos of the bike running so have at it.

1995 Aprilia RS250 Loris Reggiani Racing Replica

From the seller:

This 1995 Aprilia RS250 was produced as a tribute to Aprilia factory rider Loris Reggiani and is powered by a 249cc two-stroke V-twin paired with a six-speed transmission. The bike is finished in red, purple, and gray and is equipped with a solo saddle, a tinted windscreen, adjustable suspension, a Zeeltronics programable ECU, a two-into-two exhaust system, twin Mikuni carburetors, triple Brembo disc brakes, and 17″ wheels. The bike was reportedly first registered in the Netherlands, and was acquired by the seller in 2019 in Florida and subsequently relocated to Texas. Work under current ownership included overhauls of the engine and suspension, and replacing the ECU, tires, and more. This RS250 is now offered with receipts and a clean Texas title in the seller’s name that lists it as a 1996 model.

With 5,700 miles and a fresh rebuild, this bike seems like it’s in pretty good mechanical and cosmetic condition. A clean 1995 RS250 Chesterfield with just over 4,000 was listed for $14K and sold in 6/21 on RSBFS!

I’ll be honest. By the time I started following road racing, in my mind, two smokers were pretty much equivalent to Nokia bar phones. That being said, the only thing the two have in common are the era in which they were mainstream. The comparison stops there.

 

-Norm

Little Italy – 1995 Aprilia RS250 Loris Reggiani Replica
Yamaha May 18, 2022 posted by

Hive Mentality – 1984 Yamaha RZ350

With spring in full swing and summer right around the corner RZ350s are popping up like, well, weeds. Scare in quality and quantity, 2022 has brought out a spate of strong contenders; bikes that present as well as any we have seen. So too is today’s find, a 1984 bumble bee 350 out of Montana that looks fantastic.

1984 Yamaha RZ350 for sale on eBay

Needing no introduction – but getting one anyway – the RZ350 was the last gasp of two-stroke street bike goodness in the early 1980s. Festooned with YVPS, oil injection, catalytic converters and EVAP canisters, the RZ was as close as EPA legal as could be with 1984 technology. Significantly choked by the emissions equipment (which was also very, very heavy), most RZs enjoyed a life on steroids – dropping the cats for a pair of expansion chambers, new fatter jets and improved upstream airflow. The RZ350 was an over achiever, running with the 550cc middleweights of the day, and were popular club racers to boot. Today, these are hard to find in many parts of the country, and harder still to find in original – or close to original – condition.

From the seller:
I am slimming down my collection, so its time for this time capsule to go. I purchased this 1984 RZ350 from the original owner in 2010. Its been in my garage ever since, in dry Montana, so there is very little corrosion. It has 3,714 original miles. I will also include the original exhaust pipes (photos coming soon). Overall, the bike is in very, very good condition for its age. Its not pristine, but very nice! The tires are old, so they are due for replacement and the brakes could probably be bled. There are a couple stickers on one of the fork tubes that can be removed.

More from the seller:
The original owner installed Spec II exhaust pipes. The airbox and intake are stock. It has steel braided brake lines on the front, and a Telefix fork brace.

There is no evidence of the bike ever being down. The seat is perfect. The gas tank has no dents and is very near perfect. It starts from cold on the first kick and idles perfectly.

I have a clean and clear Montana title.

The seller has also shared a cold start video on this bike:

RZs are worth real money these days. You can forget when you could pick up a beater for a grand or less; there is no value in lamenting the great one you sold for $2k. This is the ups and downs of the market, and while the RZ has had its unfair share of downs, it is currently on a credible upswing. The bidding on this very clean bike with period correct aftermarket add-ons (with original pipes available!) is well over $10k with a lot of interest. The reserve is still in place, so there is likely a lot more to play for. Only 3,700 miles on this time capsule, meaning that the winning bidder will have a lightly used rider that shows as well as any we’ve seen. Check out all of the details here, and Good Luck!!

MI

Hive Mentality – 1984 Yamaha RZ350
Yamaha May 13, 2022 posted by

The Same, But Different: 1984 Yamaha RZ350

In an earlier post, RSBFS Staff Writer Donn notes: Hardly a week goes by that a new RZ350 doesn’t pop up these days! I would like to take this opportunity to upgrade that statement considerably. Because today we have a double RZ350 Friday (take two – they’re small)! Forget Friday the 13th. This is Friday the RZ350th!

1984 Yamaha RZ350 for sale on eBay

This particular RZ shows very differently than the 1985 model posted by Donn HERE. This RZ seems to have a bit less info, and a potentially greater number of unknowns. It is clear that it has experienced some modifications along the line, from Airtech bodywork to updated expansion chambers, bar end mirrors, a complete replacement top end (with YPVS delete), and what appears to be some minor rash on the right-hand side case. But it is a RZ after all – and remains very popular with readers and riders alike. There are pristine, museum-style offerings that go for big, big bucks, ridden and hot rodded bikes that go for elevated prices, and then there are the bottom feeder bikes that have been used up, abused often and offered at a ridiculous price. This particular example feels more like the middle tier – modded and used, but presentable – and is pretty close in pricing to the 1985 example posted by Donn earlier today.

From the seller:
This 1984 Yamaha RZ350 is an original. The owner has had it for 5+ years. The vehicle runs great and is mainly used for weekend rides.

Bike has had a small restoration. Frame and swing arm have been powder coated. All new seals in components forks, front brakes, front master cylinder, etc. Has Airtech full fairing kit. Does not have YPVS anymore currently has a banshee top end. I do not have any of the original parts. Thanks for looking.

The seller has included the following walk around video of this particular bike. I am not exactly sure why one of the foot pegs is zip tied up out of the way, but otherwise the video shows a clean – but modified – RZ350:

Regardless of condition, RZ350s are hot property. That value is increased as the weather turns to a point where riding is possible around the country, and we are all itching to grab our leathers and hoon. And while we always recommend collectors purchase the best example they can find/afford, the truth of the matter is the RZ will always be in demand; even questionable bikes are fetching absurd prices. We do not see that changing at all in the future, except the prices are likely to be even higher. These are fun machines that really wail, they strike a pose very well in parking lots for bike night or cars and coffee, and are reasonably reliable given the volatile nature of two strokes. You can check this one out here as a compare and contrast – this is a great time to be in the RZ market!!! Good Luck!

MI

The Same, But Different: 1984 Yamaha RZ350
Yamaha May 13, 2022 posted by

King’s Livery – 1985 Yamaha RZ350 Kenny Roberts

Hardly a week goes by that a new* RZ350 doesn’t pop up these days !  While not a show bike, this example shows the Kenny Roberts colors nicely and has a bunch of NLA period updates.

1985 Yamaha RZ350 for sale on eBay

Yamaha knew that the two-stroke legality wouldn’t last forever, but kept updating the 59 hp, 320 lb. model – and it kept selling.  Liquid cooling made conformance to EPA exhaust and noise regs plausible, and the Power Valve System made the torque band wider than before.  Slotted discs were sized for the middleweight mission, and the fairly conventional chassis sported an early monoshock rear end.

On consignment for a long time customer, this RZ has been on display so might need a little help re-awakening.  Vintage Toomey chambers, intake, and battery box are of interest – especially since the factory take-offs are included.  Matching left and right tank dents are stickered over, and the handlebar fairing looks to have led the way into a couple of close shaves.  But the finishes are in good shape and the fork brace is a nice addition.  Comments and a list of upgrades and spares are in the eBay auction –

The bike has been very well maintained and is in excellent condition for the year with low mileage and a slew of upgrades and spare parts that come with it! The bike runs excellent and the electric start works, but there is no battery in the bike, as it is stored correctly in a collection and almost never ridden. The factory power valves have been rebuilt by the owner. There are two small dents in the gas tank on either side from the handlebar switches on the bars bumping into the tank over the years which is very common on the bikes (they are covered by the bullet stickers you can see in the pictures). Aside from that, please refer to the pictures for the most accurate description of condition. Aside from the upgrades, this bike is numbers matching and nearly all original OEM, the paint and decals are original and the mileage is true and correct.

-TOOMEY PIPES (VINTAGE 80’S – NOT NEWER PRODUCTION)
-TOOMEY INTAKE (VINTAGE 80’S – NOT NEWER PRODUCTION)
-TOOMEY BATTERY BOX (VINTAGE 80’S – NOT NEWER PRODUCTION)
-FORK BRACE
-BRAIDED STEEL FRONT BRAKE LINE
-STOCK CARBS REJETTED FOR EXHAUST (ONE SIZE UP PILOT AND 420 MAINS)
-TWO SPARE SETS OF OEM EXHAUST (PICTURED)
-NEW SET OF SPARE TIRES (PICTURED)
-OWNER’S MANUAL (PICTURED)
-MANY MANY MORE SPARE PARTS NOT LISTED (PICTURED)
-MANY MORE TASTEFUL PERIOD CORRECT UPGRADES NOT LISTED

More red/white models are in RSBFS recent history than bumblebee’s, and for Yamaha fans of a certain vintage the signature model is the one to try for.  Those same fans might be surprised at the bidding with eight days left to run, and further that the reserve is still unknown.  But even though the model has had a nice season so far, no more being manufactured, and this one has a nice combination of miles, patina, updates, and spares.

-donn

King’s Livery – 1985 Yamaha RZ350 Kenny Roberts
Suzuki April 29, 2022 posted by

Portuguese Perfection: 1985 Suzuki RG500 Gamma

I’m not sure exactly what is going on in the sun-drenched land of fine port wines, but some amazing motorcycles are being cleared out of a collection and all are RSBFS worthy. In today’s case, just on the off chance that you were in the market for a pristine RG500 Gamma with low miles, let us share some of the details.

1985 Suzuki RG500 Gamma for sale on eBay!

The Suzuki RG500 should need little introduction on these pages, but if you Rip Van Winkled your way through the 1980s then a brief refresh might be in order. Designed to be a 500cc GP racer for the street, the big Gamma was of two-stroke configuration and utilized a square four engine arrangement (think of it as a siamesed pair of parallel twins connected at the crank). This was very much in line with the race bike, which was long before the four-stroke days of the current MotoGP. Intake and breathing was via 4 carbs synchronized through disk valves. And since two-strokes are very sensitive to exhaust pressure, the Gamma had four independent chambers; one for each cylinder. The frame of the Gamma was box-sectioned aluminum with castings for the headstock welded on. Front forks were high-tech air-adjustable with anti-dive, while the Full Floater rear suspension made due with preload only. As was in vogue in the day, the front hoop was a diminutive 16 incher, with a standard 17 inch wheel in the rear. Figure 95 HP pushing a 340 pound (dry) package; when the tach swings above 6,500 RPM, you’d better be holding on.

From the seller:
Suzuki RG500 GAMMA, mint condition.
With only 1060 Miles or 1700 KM and year production 1985, this is a very rare bike.
Complete JollyMoto Exhausts, make an astonishing sound.
Gsxr Wheels and front brake spacer to use original caliper.
Portuguese documents.
You can see by the photos, there in not even one single scratch or dent.
Original painting and decals all over the bike.
It has 2 keys.
Feel free to ask more pictures.
Bike is located in Portugal – Lisbon, but we work with Chas Mortimer Ltd to ship bikes to UK. You can also call them and ask for a feedback – shipping price is included.

This particular example has a popular mod that does away with the dreaded 16″ front rubber. It also sports some of the ultimate two-stroke pipe porn in the form of Jolly Moto chambers. Not only do the Jolly Motos weigh less than the stock pipes, they flow much better as well. That adds a power gain to the HP column, and an additional smile factor inside the helmet. They also make a fabulous sound at full song. The rest of the bike looks to be in pretty good condition overall (based on the photographs). Asking price is $32,500 US, with the seller open to offers. These are reasonably rare bikes that do not come up for sale all that often, although we do see Canadian bikes more frequently imported in the US. Given that this eclipses the 25 year mark for used bikes, importation into many States might be easier. Check out all of the details and photos here, and Good Luck!!

MI

Portuguese Perfection: 1985 Suzuki RG500 Gamma