Posts by tag: Two Stroke

Aprilia April 14, 2022 posted by

Featured Listing – 2001 Aprilia RS 50

Update 4.14.2022: This bike has SOLD! Congratulations to buyer and seller!

Don reports that he received 40 inquiries in the first 3 hours of his bike going live on the site! If you have an outstanding, rare, sportbike for sale, contact us about your own Featured Listing! -dc

Many in the motorcycle community love to wax poetic about the joys of riding a “Slow bike fast” and for good reason.  Few bikes embody this ethos like the Aprilia RS 50.  The 50cc two stroke is full of character and offers a great platform to hone corner speed skills and retaining momentum.  Not to be confused with a pocket bike or some other toy, the RS is fully street legal and in some areas can be ridden without a motorcycle license.

2001 Aprilia RS 50 racing replica sport motorcycle for sale: $2,950.

Diablo black/silver/red Grand Prix color scheme. Original owner, clear title. 968 miles. Mint condition, never mechanically modified. Always garaged. World Championship Aprilia race bike inspired technology, design and construction. Wind-tunnel defined aerodynamic body panels. Ultralight weight rigid space-frame. Exceptional handling and safety.

In addition to having several features that are historic firsts in this motorcycle class, the Aprilia RS 50 is one of the best motorcycles ever made for learning to ride. All controls are identical to those of full-size motorcycles, but its low weight and superb handling assure positive experiences that quickly build rider skills and confidence. In contrast to learning to ride a typical, more formidable motorcycle “cold”, transitioning to heavier, more powerful bikes from the RS 50 is smoother, safer and far less intimidating. High resolution photos available on request.

2001 Aprilia RS 50 specifications:

Dry weight: 89 kg (196 lbs). Fuel tank capacity: 13 L (3.5 US gal), reserve 2.6 L (0.7 US gal).

Engine: Single-cylinder, two-stroke, liquid-cooled. Light alloy cylinder with Gilnisil superficial hardening, reed valve induction, counter-balancing shaft. Compression ratio: 12:1. Electronic CDI ignition. Dell’Orto SHA 14/12 carburetor with heating system on the collector. Electric start. 12V, 105W generator. Variable rate 2-stroke oil injection.

Transmission: Wet, light alloy multi-disk clutch. Six-speed gearbox with helicoid tooth gear primary and chain secondary.

Frame: Twin spar beam frame in cast aluminum with thin-walled cross-rib reinforcements, completely polished. Seat height 810 mm (32”).

Suspension: Telehydraulic front fork with central pin (35 mm), travel 110 mm (4.3”). High-resistance steel rear swing arm with mono-shock, travel 120 mm (4.75”). Wheel base 1280 mm (50.4”).

Brakes: Front: steel single disk 280 mm, caliper with two 25 mm pistons. Rear: steel single disk 220 mm, caliper with single piston 28 mm.

Wheels: Tubeless radial tires, front 90/80 ZR 17, rear 110/80 ZR 17. Light alloy rims, 5 spoke, profiled for tubeless tires, front 2.50 x 17, rear 3.00 x 17.

These coveted bikes do not come to market regularly.  The few that do come up for sale often have lived a hard life, with the bumps, bruises and rash to prove it.  This example has under 1,000 miles and the single owner has obviously lovingly cared for it.  While well suited to a collection, one could also imagine this being an amazing alternative to a Grom as the local run around bike.  The Aprilia community is strong and parts are readily available, making the ownership experience just as appealing as the bike.

Featured Listing – 2001 Aprilia RS 50
Honda April 2, 2022 posted by

1989 Honda NSR250 MC18 For Sale!

1989 Honda NSR250 MC18 For Sale on CL!

Make: Honda
Model: NSR250 MC18
Mileage: 22,281 km
Price: $14,000
Titled: Yes
Location: Calabasas, CA (Shout out to my boys from P.O.D.)

From the seller
Imported from Japan four years ago, registered in California and slowly restored to exceptional condition. One of the nicest MC18 examples to be had and they’re rare. Most are in poor or un-restored condition. Everything on this bike has been gone through and fixed, replaced or refinished. Compression is perfect, carbs cleaned/tuned and runs amazing. Zero miles on new Bridgestone tires.

– California Title/Reg/Plate
– De-restricted (60hp estimated)
– JHA pipes
– Magtek magnesium rims just repainted
– New wheel bearings
– New Bridgestone tires w/ zero miles
– New Rothmans bodywork, stripes corrected and inside of panels painted flat black
– New fasteners
– New windscreen from U.K.
– New Renthal grips
– Vintage Japanese BEET rear sets
– Reupholstered rear seat
– New lithium battery
– New regulator/rectifier
– New fork seals
– New oil pump seal
– Zinc-plated hardware

I assure you- that list isn’t telling the whole story, but the pictures will complete the list for you. Have a look and tell me what you notice . . .


I see hundreds of hours of elbow grease and several hundred dollars in cleaning supplies. Have you ever laid your eyes on a cleaner 2 stroke? I’m not sure they’re this clean from the factory!


Hello there, Mr. Beet! I think I’m more excited about seeing those in the wild than I am about seeing a MC18 🙂

I know it’s not original, the wheels have been resprayed and it has those pesky aftermarket fairings, but it is 33 years old and comes from one of the harshest environments for motorcycles and yet, it looks amazingly clean, fresh and ready to make some noise.

If you’re in the market for a solid rider this might be where you can punch your ticket, but as always, I’d suggest you reach out to the seller and do your own due diligence to get a better feel for it.

Let me know your thoughts on this good looking MC18 and Smoke’em if ya got’em!

Cheers!

Doug

1989 Honda NSR250 MC18 For Sale!
Yamaha March 25, 2022 posted by

Quick Smoke Break: 1985 Yamaha RZ350

There seems to be a marked increase in available RZ350s as of late, a clear sign that Spring has officially sprung. Amongst the frenzy of activity with trading, selling and buying (not to mention how hot the collector market is these days), this is a quickie smoke break from the high dollar exotica and represents something that readers want to see and can likely afford. I will warn you that time is short and bidding strong on this one, but the price remains in the reasonable range and there is still a reserve at play.

1985 Yamaha RZ350 for sale on eBay

The 1985 Yamaha RZ350 differed only slightly from the 1984 model in the US. The biggest visual clue is that the Red/White bikes had King Kenny’s signature on the fairing; in the inaugural year this was only available on the bumblebee-colored models. Otherwise you are looking at the same liquid cooled, parallel twin with dual carbs, reed valve induction, oil injection and the novel YPVS computer controlled exhaust port.

From the seller:
1985 Yamaha RZ 350 from private collection excellent condition no issues runs great sorry do not have original pipes.

Today’s bike has seen some miles (but not many – only 5,000 on the clock!), and has the requisite performance upgrade of replacing the stock catalytic converter-equipped exhaust with proper expansion chambers. This is usually best accomplished with related jetting (and sometimes airbox) changes, but no background history if that was done. There is also no word on the type of expansion chambers fitted; perhaps our eagle-eyed readers can help out with that one. The bike looks undeniably clean, which is a real plus. I am somewhat perplexed by the lack of the black chrome finish on the left side of the engine, but not on the right. But this otherwise looks like something that could (and should) rattle to life in a cloud of smoke that brings smiles to all. Check out all of the details here, and Good Luck!!

MI

Quick Smoke Break: 1985 Yamaha RZ350
Suzuki March 23, 2022 posted by

Nobody Puts Baby In a Corner: 1986 Suzuki RG500 Walter Wolf

Of all of the fun, cool and very rare motorcycles we post here on RSBFS every day, few bikes get me as excited as a Walter Wolf edition of the mighty Suzuki RG500 Gamma. Festooned with the livery of Canadian businessman, motorsports enthusiast and general all around very rich guy, the Walter Wolf livery was available in both 250cc and 500cc Gamma variants, and was largely a cosmetic affair. Sporting what looks like black or dark blue – but in sunlight is actually a deep purple – the WW models came with livery-specific bodywork and instrumentation.

1986 Suzuki RG500 Walter Wolf for sale on eBay

The 500cc Gamma is no stranger to these pages, and enthusiasts everywhere have been viewing these brutal, square-four two strokes as road going GP bikes. In truth, these were more potent than the RZ500 competition, and sharper than most sport bikes of the era. They also held in reserve a lot of potential which could be coaxed out by clever and respected tuners, making them a bit of the holy grail for those seeking the combo of rarity, smokiness and outright speed.

From the seller:
Been sitting for years , ridden once and put into storage serious offers around $50.000, plastic needs repair , but not paint

To be honest, there is not much to go on with this one, but that doesn’t mean it’s not worth the effort. The seller claims it is in excellent shape, but also notes the plastics are in need of repair – but not paint. That could mean something non-visible, such as mounting tabs on the back being broken off (not uncommon). Zooming in on the photos show some minor scuff and wear, but I imagine this would clean up nicely. There appears to be a “ran when I parked it” vibe going on here, so it is not obvious if it currently runs. But if it’s been sitting I would recommend a leak down test to ensure the crank seals are still tight; nobody here wants to see this beauty seize. There is no detail in the ad on the total number of miles (kilometers) travelled, however a close up of the speedo shows 13,098 KMs, which equates to just over 8,100 US miles.

This is both an auction as well as a Buy It Now, however the starting bid and the BIN number are one and the same – just under $48k USD, or 60K in Canadian dollars. That is big money for a lot of (unclean) unknowns, but those unknowns need not be bad. There might be a real gem here – after all, it’s a freaking RG500 Walter Wolf Gamma! Check out all of the details here, and Good Luck!!

MI

Nobody Puts Baby In a Corner: 1986 Suzuki RG500 Walter Wolf
Yamaha March 17, 2022 posted by

Ring A Ding Dinger: 1984 Yamaha RZ350

In those dark morning hours (for those of us who “spring” the clocks forward) and in the wastelands of eBay before riding season hits and all sorts of exotica hit the auction block, there are days of, well, nothing. RSBFS staff look through hundreds of listings daily, and some days it is hard to find something worthy. Thus – in that light – a find such as this sano-clean 1984 RZ350 shines like a lighthouse beacon on a stormy night. Let’s check it out.

1984 Yamaha RZ350 for sale on eBay

While not a completely stock offering, this RZ is probably everything we would want in a rider. It looks to be in excellent shape cosmetically, has travelled enough miles to be a proper used bike (at 12,000+ miles there is no hangar queen here), and has the correct performance mods to wake up the two-pot beehive within. Those DG chambers look fantastic, and I can already hear (and see) the plumes of blue smoke shooting out of them as the little Yamaha hits the pipe. With proper jetting on the upstream side the 350 become far more potent than the modest displacement suggests.

From the seller:
1984 Yamaha RZ350
Excellent condition. Clean Title. Stored Indoors
This motorcycle is still very much in show worthy condition.
One would find it hard to believe this motorcycle is 38 years old.

Motorcycle has:
New battery
Brand new handle bars/grips
New tires (Michelin Pilot)
New chain & sprockets
Beautiful freshly powder coated wheels (white to match bike)
IntelAJet system added onto carburetors for easy fine tuning of carbs.
New pistons and rings, along with crank bearings and seals, 2 years ago.
(Bike tuned and jetted perfectly)
DG High Flow Pipes in excellent condition
( 2 ) keys
No rust on or in gas tank

More from the seller:
A few notes:
Everything works on bike
Bike has been stored in climate control since day 1
Paint & body panels are perfect, with no scratches- excluding 1 small ding (see details below)
Two small flaws:
Small chip in headlight but does not leak water (picture listed)
Small ding at lower portion of gas tank (picture listed)

Located in Georgia, this 1984 RZ350 looks to be a real peach (cue the rim shot!). These RZs are tremendously popular with readers, and the collector market is starting to see what it missed so many years ago. That means many of our readers who may remember when you could pick up a runner for $2k and a clean example like this for $5k will absolutely balk at the $12-15k range in which they now trade. Such is the march of time, the escalation of gas prices, and the high demand for a small (and dwindling) supply of these yesteryear throwbacks. There are many days to go, and this one sits at right around $5k with reserve in place – it should be fun to watch! Check out all of the details here, and Good Luck!!

MI

Ring A Ding Dinger: 1984 Yamaha RZ350
Yamaha March 8, 2022 posted by

1985 Yamaha RZ350 For Sale on eBay!

1985 Yamaha RZ350 For Sale on eBay!

Make: Yamaha
Model: RZ350
Year: 1985
Mileage: 19,957
Price: $12,499 Bidding has been brisk so, don’t delay!

Sing it with me-

“On the radio was Springsteen, Madonna, way before Nirvana
There was U2 and Blondie, and music still on MTV
His two kids in high school, they tell him that he’s uncool
‘Cause he’s still preoccupied with 19, 19, 1985”

Pretty fitting since our RSBFS world revolves around “What was missed and could have been” or in this case- a 1985 Yamaha RZ350.

We’ve seen several of these pop-up over the last few weeks. Everything from super low mileage, low mileage, red and white to yellow and black. No matter where we go- RZ350’s always draw a crowd and for a (obvious) good reason- That intoxicating castor oil drifting through the air . . . Whoops! That’s my fantasy!

Because of the classic styling and great color combos, RZ’s are always sure to please and this one is on target. I personally prefer the red and white version over the “Angry Bees” yellow and black version. No real reason- I just like the it better. I’ve scoured the photos several times and all I can report are a few chips on the sharp edge around the bikini headlight fairing. The motor looks like it could use a good scrubbing, but certainly nothing to scoff at on a 37 year old machine with almost 20,000 miles.


From the listing
I have for sale this Yamaha rz 350 Kenny Roberts. I bought it from the original owner’s family after his death.
The bike is in pristine condition, never been abused, kept in climate control environment since i bought it.
It starts right away and runs very good.
I got it with a set of Tommey racing exhaust chambers but I have the original set of exhaust that will go with the bike.

*Toomey

Interested? Make the jump here and place your bid!

Cheers!

Doug

1985 Yamaha RZ350 For Sale on eBay!
Kawasaki February 27, 2022 posted by

Soul Survivor – 1990 Kawasaki KR-1S in England

Auction ended due to an error in the listing, but still worth a look – push “See original listing”…  Donn

Maybe because so much of the Kawasaki KR-1S came from the racey end of the gene pool, very few of them have made it to the new millennium.  This example has some miles but shows beautifully, and was on display before the seller decided to find it a new home.

1990 Kawasaki KR-1S ( England ) for sale on eBay

Kawasaki stuck with their parallel twin engine after most others had gone to Vees, maybe since their home market power limit of 45 hp was easy to attain.  In select other countries their tuning and KIPS power valve made 59 hp available, with more certainly possible.  Norms for the race-derived class are here, with extruded alloy chassis and six speeds to help keep the engine above 7,000 rpm.  Plenty of braking from twin disks and 4-piston calipers, and the wheel size is looking toward the end of the staggered era with a 17-inch front and 18-inch rear.  The KR-1S also had one of the lightest dry weights in the class, swapping ounces with Suzuki and staying under 290 lbs.

This central England owner states they’re number four, a fairly low number of caretakers for 32 years.  Looks great in the alternate green and black livery, and the Nikkon exhausts look purposeful if not as showy as a rarer metal.  Comments from the eBay auction:

First registered 14 August 1990
12k Mileage
4 Previous owners 
This has been in my house as a show piece and not used for a year, I put some premix fuel in and it fired straight up and sounded sweet (as all fluids have been drained for indoor storage)
These are the fastest street production 250 2-strokes ever produced
and not many are still here to tell the tale
Fitted with Nikkon race pipes give it that well known 90’s 2-stroke sound
Upgraded Fuel Tap
New Chain and sprockets 
Overhauled the calipers new pads and seals 
Original Kawasaki key fits all locks

Perhaps because Kawasaki wasn’t active in Moto GP then ( busy winning AMA Superbike and World Endurance Championships ), they seem to have barely pursued the segment and sold only 10,000 or so KR copies over the four years.  Add in the wide repute for quick steering and over-damped forks, and the few that were exported had little hope of a long life.  This one looks worth finding an agent to handle shipping and import, or plan on using some free time to chase paperwork.

-donn

Soul Survivor – 1990 Kawasaki KR-1S in England
Yamaha February 25, 2022 posted by

Inflation: 1985 Yamaha RZ350

The collector world is on a tear. After years of pandemic caution, the floodgates are open and trading has resumed with gusto. With that activity comes excitement, renewed interest in classic models, and the commensurate rise in pricing. Yes, values are going up; and that is not just conjecture. As Blair, Tootie, Jo and Natalie will tell you, it’s the facts of life. At the sharp end of the market shift is the RZ350. Always popular with readers and riders, the RZ350 highlights the post-pandemic collecting frenzy with $20k + auction results as proof. As a result, we are seeing more and more RZs on the market, with all sellers looking to ride the pricing wave.

1985 Yamaha RZ350 for sale on eBay

Rather than regurgitate the same details and specs of the RZ, let’s highlight some model differences and what makes a collector bike a collector bike. We have seen a TON of lesser quality examples in the past, and even these are enjoying a pricing boost. But the $20k and above examples need to be clean, low mileage and *original* specimens. With the RZ350, the opening performance surgery to be done was to drop the heavy and restrictive catalytic converter mufflers and replace them with a lightweight set of performance expansion chambers. This required some upstream changes in the form of air filter and jetting. Often the oil pump was disengaged or completely removed, reducing parasitic mechanical drag and forcing the bike to run on pre-mix. Heads could be milled for greater compression, ports could be massaged, bores could be increased. All of this boosts HP, and all have a serious impact on long-term values for collectors.

From the seller:
This is my 1985 Yamaha RZ 350 that is unrestored and original right down to its Yokohama tires that it rolled out of the showroom on! Seriously a quality Museum motorcycle, It has 2694 miles on it and has not been ridden since 1987! Original unused tool kit in tail section, I have the two original keys one on a Kenny Roberts key fob from Modesto, CA. It also has a Kenny Roberts license plate frame! This RZ was purchased at Kenny Roberts Yamaha in Modesto, Ca.! I have the original manuals and a Brochure.. I have a clean California title in my name, It has been non-popped since 1990… Very Collectable and definitely a quality addition to someones Man cave….

Perhaps the most rare of the RZs are the California models. CA requires additional evaporative canisters and fuel tank plumbing to minimize the environmental impacts of any internal combustion petrol engine. (Say what you want about the complexity and power-robbing functionality – but Los Angeles air is noticeably cleaner since the California Air Resource Board mandates). The CA-required pieces are often the first to cast off the bike. That raises the stakes for a CA bike that claims to be 100% original. And THAT is what makes today’s bike so interesting. A very clean 1985 model, this CA bike looks to be complete as if from the showroom, including all CA emissions equipment and stock exhaust. And with just 2,694 miles on the clock, the seller claims the tires are original as well!

A great looking, original condition California bike, I expect this particular example to pique the interest of those looking for this model in preserved condition. The seller notes that this bike has been sitting since 1987, which is echoed by the overall condition. The obvious caveat for those who want to ride the rails off of this thing is that it may require some re-commissioning in the form of a leak-down test (for crank seal condition) and tires as a starter. But that is minor work that would surely be worthwhile for an RZ in this stunning condition. Pricing is directly in line with condition, along with the 2022 premium based on past auctions and high aspirations. If the near $30k Buy It Now ask seems too high, the seller is open to offers. Check out all the details here, and then let’s sit back and watch how far the market has moved upwards on clean and pristine RZs. Good Luck!!

MI

Inflation: 1985 Yamaha RZ350