Posts by tag: Two Stroke

Honda August 20, 2017 posted by

Legal Smokers: Two 1982 Honda MB5s

The early 1980s were an interesting time for motorcycle enthusiasts. Big changes were in the air, and all manufacturers were scrambling to develop disruptive models in the search for performance and sales; think of the groundbreaking Ninja 900, GSX-R 750, V45 Interceptor, and the Turbo era bikes, to name a few. Riders and drivers across the US were still reeling from the energy crisis, and many commuters were in search of cheaper forms of transportation. Enter the Honda MB5 - a 50cc motorcycle meant to appeal to beginning riders as well as commuters the world over. In the US, the MB5 was officially imported into all 50 states and is a one year only model (it had nearly a 10 year run in Europe). While not the usual diet for RSBFS (likely more toy than trick), there is no doubt that the MB5 is a rare machine and a curious footnote for two stroke enthusiasts.

Two 1982 Honda MB5s for sale on eBay

1982 was the key year for the Honda MB5 in the US. Colors included the red/blue scheme as seen here, as well as a black/red model (the latter being the more rare of the two). The mighty 7 HP power plant consisted of a single cylinder, 49cc air cooled two stroke engine that included a counter-balancer to lessen vibration (a good thing, given the 10,500 RPM operating range). Fueling was simplified via oil injection (no more mixing oil with the gas during fill ups), and maintenance was simplified via CDI ignition (no points - which was still a relatively advanced concept by 1980). Power was transmitted via a wet, multiplate clutch through a 5-speed transmission. The whole package was complimented by Honda "ComStar" style wheels of 18" diameter, a decent instrument cluster (speedo, tach, warning lights), and a front disk brake. Rear suspension is handled by a conventional twin-shock arrangement, the shocks being "laid down" to appear more like a single shock setup. For street legalities, the MB5 includes a compliment of headlight/taillight plus turn signals.

From the seller:
I present here a pair of my MB5s, always garaged indoors away from sunlight and dampness when not ridden, red/blue, which to the best of my knowledge are all stock w/ original paint that is not sun faded, both w/ low orig miles, emits very little exhaust smoke at idle and when screaming thru the 5 gears at 9500 rpm, are generally 2nd kick Hondas and 1st kick when warm and note that the non rack bike is needing tires, a flasher, a front brake switch and a battery strap.

All D.I.D rims are clean and not pitted, have good clean gas tanks, frame, handlebars, non faded speedometer/odometer and tachometer gauges, seats w/ bright logo, no leaks on the exhaust pipes undersides and paint that matches all the components. The 1 side stand will remain on the bike w/ rack which I’ve added.

The engine(s) revs up to 9500+ rpm without missing a beat and winds back down holding a steady 1400 rpm idle, have cooling fins w/ rubber dampers that are all intact and w/o cracks. Better yet, although simple, are that both bikes have both working lo and hi beam headlights… 1 is a Stanley original while the other is a Sylvania Halogen replacement I was fortunate enough to find. Sometime back I had installed flash-to-pass switches on the bikes to prolong beam life but have removed them. I will remove my 3rd or Borg eye LED and rear LED lights.

By the mid 1980s gas prices had dropped back down to (if not below) normal levels. The need for a 75-100 MPG commuter vehicle abated - especially one that came with the limitations of a 50cc slightly-bigger-than-a-scooter two wheeler. As a result, most MB5s were either completely thrashed by young teens with aspirations of Spencer, Roberts or Lawson (don't ask me how I know), or otherwise abandoned to the gods of rust and neglect. Finding one in decent condition is difficult due to the relative rarity; finding a pair in decent nick is a rare occurrence indeed. Both of these bikes appear to be in better than average condition, with one of them sporting the rare, Honda accessory luggage rack.

There may be no substitution for cubic inches, but this pair of 50cc machines deserves better than obscurity. Like many attempts by Honda during this time, the MB5 only lasted a single year. Yet these were blessed with typical Honda craftsmanship, and reliability of the one-lunger is far better than your average 1980s mechanized machine. More for fun and curiosity than something that you would likely use on a daily basis, this duo of MB5s will be selling together. Opening ask is a pretty reasonable $3,535 (a fair price for one MB5 is good condition) - with no takers as of yet. Check it out here, and feel free to jump back to the Comments on 50cc machines. Did you spend any time on a tiny smoker? Let us know, and good luck!!

MI

Legal Smokers:  Two 1982 Honda MB5s
Aprilia August 20, 2017 posted by

Thrilla From Aprilia: 1997 Aprilia RS250 for Sale

Aprilia was late to the quarter-liter two-stroke party when they introduced their RS250 in 1995, but the bike stayed in production long after the NSR, TZR, and the RGV that donated its powerplant had gone the way of the dodo, with road bikes available until 2002 and "for off road use only examples" several years after that. There were two generations of the bike, with a restyle partway through the bike's production run in 1998. This particular example features the earlier bodywork and dash, which I personally very much prefer to the later, more "modern" style.

The bike used a very lightly modified version of Suzuki's RGV250 engine, so specifications are basically identical, although buyers don't have to worry about Japanese market horsepower restrictions, and should have somewhere in the neighborhood of 55hp, although more is possible at the cost of longevity... The bike also used Suzuki's six-speed transmission, although Aprilia used their own aluminum beam frame and banana swingarm that are much more sculptural than Suzuki's more industrial-looking components. Triple Brembo discs are almost overkill: they're the same kit found on bikes like Ducati's 916 and Moto Guzzi Sport 1100 that weighed significantly more than the little Aprilia's 300lbs...

Period reviews praise the bike's light weight and handling, although it was, like all the other 250s, pretty bare-bones and high-strung. Later bikes had a very trick-looking dash, but these earlier machines have the gauges clearly divided into the required tachometer and a speedo/idiot light cluster that could easily be removed when prepping the bike for race duty...

From the original eBay listing: 1997 Aprilia RS250 for Sale

Absolutely stunning RS250 in superb condition.  Frame is immaculate, bodywork in excellent condition with minor scratches and scuff marks.  Comes with two un-installed Michelin pilot tires. All consumables in super good condition (brakes, chain, sprockets).  12400 original kms, starts on the first kick hot or cold.  New plugs, clean air filter, oil changed, power valves degreased.  Ready to go!  For this week and this week ONLY, free crating, free shipping to continental North America, no paypal fees, export fees on me!  Serious inquiries only please, no low balls, no time wasters.

The Buy It Now price for this very nice RS250 is listed as $8,300 although I'm not sure if that's US or Canadian dollars, making this either a good deal or a great deal, considering the apparent condition. Obviously you'll have to handle importation issues, and registration could be tricky depending on where you live. Maybe just park it in your living room until it's 25 years old?

-tad

Thrilla From Aprilia: 1997 Aprilia RS250 for Sale
Yamaha August 19, 2017 posted by

Barenaked Two Stroke: 1991 Yamaha R1Z

Looking like a modern take on the wildly popular RZ350 two stroke, the 1991 Yamaha R1-Z somehow never made it out of Japan. That's a shame, too, because the R1-Z sports a too-sexy-for-my-fairing steel trellis frame and the powerplant from the TZR250 race replica.

1991 Yamaha R1-Z for sale on eBay

Sneaking in under 300 pounds dry, the little smoker makes fantastic use of the 45 horsepower that was de rigeur among JDM quarter liters of the time. With as much time as TZRs spent on race tracks, waking an R1-Z up likely wouldn't be a challenge.

This R1-Z shows quite nicely, and comes with a clear Washington State title, so putting it on the road in your home state shouldn't be too much of a challenge. It does have marks in keeping with its age, and some pitting on the fuel filler cap, but the paint looks very nice. We are particularly fond of the "INDIVIDUAL SPORTS" graphic on the tank. Note the pillion seat.

From the listing:

INTRODUCTION:::

You are looking at a 1991 Yamaha R1Z. The Yamaha R1Z was legally imported from japan and now has a legal Washington State clear title. Yamaha r1z is a very rare unique blend of race inspired two stroke motor put into a open café inspired trellis frame. The R1Z was a bold move for Yamaha at the time and way ahead of the styling trend; the motor used in the R1Z is identical to the tzr250 parallel twin motors of the same time period so the R1Z is a very quick 250cc naked sport bike. This particular R1Z has very low 9300 miles (14,900 kilometers), and the bike is mostly all original and in good shape. But please feel free to read more about the specifics of this bike and see the pictures for detail. If you have any questions, please do not hesitate to contact me. U.S. and International bidders are welcome to bid on this motorcycle but must arrange shipping themselves...

BODY:::

The body work is in great condition, all of the painted body work is near perfect with the exception of some very small rock chips on the front of the gas tank as can be seen in the pictures. The frame is in great shape with no major scratches or nicks and the motor is nice and clean. Overall the body is in very good condition for its age.

MECHANICAL:::

The bike runs and rides perfect, and it shifts smoothly through all 6 gears. The carburetor was recently cleaned and adjusted, and a full service tune-up was performed which included new, spark plugs, chain, air filter, brake pads, oil change, and brake fluid flush. All of the lighting and electrical components work as they should.

CONCLUSION:::

This is a great opportunity to buy a very rare nice and clean 1989 Yamaha R1Z. These bikes were never imported into the USA and very few were exported outside of Japan to any other countries so it is a very rare Yamaha model. If you need any additional pictures or have any additional questions please feel free to email us. Domestic & International buyers are welcome to bid but must arrange the shipping themselves. However we will be glad to assist with any loading of the motorcycle. We have helped with the shipping of motorcycles across the country and overseas for other customers in the past. Please feel free to bid as long as you make the shipping arrangements.

Bidding on this beast is just south of $2,200 with nine days left in the eBay auction. Does this stir your inner oil burner? Let us know in the comments below.

Barenaked Two Stroke: 1991 Yamaha R1Z
Suzuki August 18, 2017 posted by

Featured Listing: Untapped Potential – Zero-Mile 1985 Suzuki RG500Γ for Sale

Update 8.18.2017: Price dropped $10k to $35,000 or BEST OFFER. -dc

Update 7.31.2017: Dean has contacted us to upgrade this post to a Featured Listing. Interested parties can contact him by email: hardscrabblemedia@earthlink.net Dean mentioned that he's working to help a deceased friend's family, and that he doesn't have much history on the bike other than a 1988-89 conversation where he mentioned the bike came through Canada, maybe from the UK? The family is open to offers near the asking price. -dc

I'm obviously a big fan of the phrase "squirreled away" but it's never really been more appropriate than here to describe a zero-mile 1985 Suzuki RG500Γ. A perennial favorite here at RSBFS, the Gamma pretty much embodies everything we love about bikes: it's rare, features exotic specifications, and has very real motorsports links. Sure, the RG500's exotic, two-stroke square four shares no actual parts with Suzukis Grand Prix machines, but neither was it used in any other bike in their lineup. Much like the Desmosedici, it was designed from scratch to resemble the racebike motor, but doesn't need rebuilds after every weekend ride...

So two crankshafts, four cylinders, a slick-shifting six-speed cassette gearbox, and sophisticated suspension that featured Suzuki’s Full Floater rear suspension, a system of linkages that applies equal pressure to both the top and bottom of the rear shock. A racing-style tachometer that doesn't have any numbers lower than 3,000 to help you keep tabs on a powerband that's dead below 6,000rpm and signs off past 8,500rpm in spiky, two-stoke style. All wrapped up in racy bodywork that is much smaller in person than you'd expect.

But as authentic as the style and specification may be, the hundred-ish horses and 350lb dry weight won't have you leaving many modern sportbikes in your wake. And once you introduce a set of serious corners, those skinny little wheels and tires won't leave you all that much grip to play with. However, fans of two-stroke performance won't likely argue any of that. It's the sound, the feel, and the general lightweight character of bikes like this that won them their admirers.

From the original eBay listing: 1985 Suzuki RG500 for Sale

Purchased new in Canada, shipped to USA and put in storage. 0 Miles. Engine kicks over and 99% of bike looks beautifully new. Never had fuel in the gas tank. Never had the seat off before today. Tool kit is still folded and strapped in from the factory. Stored in dark, dry garage since 1985. Never seen sun before this year!

Inside of tank looks even more beautiful than the outside.

Note nibs still on tires. Note black rubber shipping band still on the headlight from Suzuki!

One mirror and mount are dinged from a storage incident.

Sold on bill of sale and transport is responsibility of buyer. I have shipped bikes previously and can be here for truck but nothing more.

Payment in cash or cashiers check my bank will accept and clear.

Bike is for sale locally. Also selling Honda NR750 : $145,000.

I have been on eBay since 1998. I have owned, ridden and raced motorcycles for 44 years. I have also worked in a motorcycle shop. I believe I am honestly describing the condition of this RG500. I currently own something like 20 bikes.

Considering its condition and $45,000 $35,000 asking price, you're not likely to head out to the garage on a Sunday morning, kick this RG500 over, listen to its crackling idle, then take it out for a spin. But I hope the new owner will at least give it pride of place in their living room or office, instead of storing it in a "dark, dry garage since 1985"! That just seems a sad fate for such a fêted machine. Considering what a comparably-sized sculpture might cost, this RG might actually make sense as decoration...

-tad

Featured Listing:  Untapped Potential – Zero-Mile 1985 Suzuki RG500Γ for Sale
Derbi August 18, 2017 posted by

Fast Bicycle: 2003 Derbi GPR-r 80cc

Derbis were never imported here in large numbers, but were a huge hit in Europe, and mixed it up with their Italian rivals at Aprilia in the 125cc two-stroke feeder series for MotoGP before being replaced with the 250cc four-stroke Moto3 bikes in 2014.

2003 Derbi GPR-r for sale on eBay

Though their world stage is gone, tiny, shrieking two strokes like this one continue to be the platform on which talented European kids get their first taste of road racing.

Originally a 50cc, this 2003 Derbi GPR-r now carries an 80cc big-bore kit, a bigger carb and recently-refreshed fairings, and two custom exhausts, one installed, and one that comes in a box.

From the listing:

Very nice 2003 Derbi GPR-r. I know the listing says Aprilia but ebay doesn't know what a Derbi is evidently. Runs great and is a hoot to ride-like a really fast bicycle! Upper fairing is mismatched with one half from an 02 and one half from an 03. Runs great and is very clean. Airsal 80cc bigbore kit with OKO 24 mm carb and a Metrakit SP pipe installed by previous owner. Combination runs great! 12,500 rpm and a top speed of 71 or 73 depending on which countershaft sprocket is installed (stock and one up included). Premix only as the oil injection pump was deleted prior to my acquisition of the bike. I put the graphics on to get it as close to original as I could. New fork seals and new tires. Fresh gear oil.A few extra bits too ( drivers saddle, new rear shock, owners manual, service manual). Ask questions before you bid-no returns. I will deliver up to two hundred miles one way for free. Anything else is on you. For sale locally so auction may end at any time if there are no bids.

You lookers are missing out on a real fun ride!

The seller says the bike will do either 71 mph or 73 mph, depending on which of the included counter sprockets you choose. That's barely fast enough to get yourself in trouble, which means you can focus on your line and body position without worrying too much about the police, or deer, or out-riding your talent.

The Buy-It-Now is just $2,000, which is a few hundred bucks less than the seller says he has tied up in the bike. Let us know what you think of this Spanish mini racer in the comments below!

Fast Bicycle: 2003 Derbi GPR-r 80cc
Yamaha August 17, 2017 posted by

Featured Listing: 1987 Yamaha TZR250 for Sale

Today's Featured Listing Yamaha TZR250 comes to us from our neighbors to the north in Canada. This 1KT/2MA/2ME was the very first iteration of Yamaha's little sportbike, and helped to define the 250cc class. If you're not familiar, these little quarter-liter sportbikes were packed with big-bike technology. In the US market, a 250 was an economical commuter, a learner bike, or a dirt bike. But overseas,  tiered licensing and heavy taxes on larger displacements meant many young and enthusiastic riders were simply unable to buy "big" bikes. You know, like a 600cc supersport... So the class that included the NSR, RGV, KR, and today's TZR have all the development and even better handling than many of their bigger-engined counterparts.

The TZR was the follow up to Yamaha's RD line of two-stroke sporting motorcycles, but added liquid-cooling to the 250cc parallel twin and an extra gear in the gearbox for a total of six speeds. Yamaha's YPVS power valve added midrange to help plump up the compact engine's claimed 50hp. The beam frame was made from lightweight aluminum and 17" wheels were fitted at both ends meant impressive handling. A single disc brake up front may seem low-tech for a sportbike, but the bike stops just fine with this set up, considering the 282lb dry weight and I'm sure things would be improved with some modern compound pads.

From the Seller: 1987 Yamaha TZR250 for Sale

1987 Yamaha TZR250 2ME Canadian Bike.

One of very few originally from the Canadian Market. Very clean and well running bike. Motor rebuilt less than a thousand KMs ago along with fresh paint and powder coated wheels. Alberta registered 2017. Bike is well sorted and in excellent condition. Does not suffer from corrosion issues seen on Japanese imports. Will continue to be ridden. This came to me as a mostly complete motorcycle that appeared well cared for and is NOT a parts bin special.

The TZR is essentially a 2/3 size RZ350 with a proper modern aluminum spar frame. It handles incredibly well and is a ton of fun to ride. Light, nimble and quick. The most fun motorcycle I have ridden which includes RZs, RDs, Kawasaki Triples and NS400Rs.

Completed around 35,000km:

-New paint and reproduction decals (clear coated decals)
-Powder coated rims (more modern white compared to original red)
-Tires in good shape
-Rebuilt motor
-JDM taillights
-Aftermarket pipes with Aprilia RS250 carbon silencers
-Sintered front brake pads and stainless brake line
-Stock oil pump running as it should
-Everything works and rides better than new
-Runs excellent, pulls to 10k
-Ti rear sprocket nuts
-Rare solo cowl. All fairings OEM plastic (not Chinese)

Motor
-Replacement cases (original 2ME cases had hole in bottom case due to piston failure, cases are repairable and are included in sale)
-Cylinder barrels on stock bore
-New pistons/rings

-Crank rebuilt, new bearings and rod

-New seals/gaskets throughout (inc. power valves and crank) and bearings inspected or replaced
-Uprated (F3) clutch springs and new plates

Comes with:
-Original engine cases
-Stock radiator (currently running RZ350 radiator, no mods to frame or other)
-Stock tail lights

-Stock pipes in great shape
-clip on riser spacer (currently removed)
-Original brake pads and brake line (running braided with sintered pads)

This is well sorted and rare Canadian TZR250. This is not an import from Japan on the UK.

THE BIKE COMES WITH STOCK PIPES INSTALLED AND DOES NOT COME WITH THE AFTERMARKET PIPES ON THE MOTORCYCLE.

For anyone out of the city or province, I have 60 pictures I can send over for more details. Happy to take a video if requested.

Willing to help with shipping within reason.

Contact Evan by email with your interest.

This bike is currently in Calgary, Alberta and the seller claims that it is an original Canadian-market bike, not a grey-market Japanese import. Asking price is $5,200 USD, which is a very nice price, considering how desirable these small displacement two-strokes are at the moment. Miles are on the high side, but the motor has been recently rebuilt, and the bike appears to otherwise have been well-maintained. Assuming it's been carefully stored, that should mean less of the surface corrosion and general fading that seems to be common on examples that have been recently imported from Japan. The paint isn't completely original, but OEM plastics were used and, unless you're a stickler for a perfectly-preserved, factory-fresh collectible, I'd bet you'd be hard-pressed to find a nicer example to actually ride in North America.

-tad

Featured Listing: 1987 Yamaha TZR250 for Sale