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Alfa Romeo 4 Cylinder Boxer Powered Motorcycle

by Paul Crowe - "The Kneeslider" on 6/5/2007

in Motorcycle Builders, Motorcycle Design

Alfa Romeo boxer powered motorcycle

Alfa Romeo engines must be a more popular transplant than I thought. Here's another motorcycle which looks quite finished and ready to ride. The engine is a 4 cylinder Alfa Romeo boxer but I can't tell you much else. The photos were taken in Belgium and there are a few notes by the images. As near as I can tell, the tank is from a Laverda, some bodywork is from a Yamaha 750 and the bike looks absolutely excellent.

Thanks for the tip, Mathieu!

More photos and link below:

Alfa Romeo boxer powered motorcycle

Alfa Romeo boxer powered motorcycle

Alfa Romeo boxer powered motorcycle

Alfa Romeo boxer powered motorcycle

Link: Flickr images

Related: Alfabeast

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{ 19 comments }

todd 06.05.07 at 2:39 pm

I never knew Alpha had an OHC flat four. Most likely never available in the US.
-todd

Sean 06.05.07 at 3:41 pm

One hell of a nice cafe.

Chris 06.05.07 at 8:45 pm

That’s hott. I mean that in the best possible way. That looks like an Italian version of a cafe-racer late-’70s ‘Wing. Except sexier.

But, uh, where’s the drivetrain? I don’t see a shaft, belt, or chain anywhere on that bike, unless maybe it’s hiding on the right side behind the exhaust.

cl

Bryce 06.05.07 at 8:56 pm

Nice use of an engine from an Alfa Sud. This is probably even cooler than the V6 powered one.

Sean 06.05.07 at 9:55 pm

This is DEFINITELY cooler than the V6. I think the drivetrain is hiding on the left side (facing as you would if you were riding) due to the drum brake’s position.

todd 06.05.07 at 10:32 pm

It uses a BMW drive train (’60s transmission, ’70s rear drive), plainly visible.

-todd

todd 06.05.07 at 10:36 pm

OK, actually looks like a ’70s BMW transmission but with a special adapter pate.

Nice work. If I had the money, any money at all it would be mine.

-todd

Johan 06.06.07 at 1:27 am

The bike has a Dutch license plate, so it’s Dutch (Luykgestel to be precise). It’s a home build motorcycle which was built in 1977. The comments by the pics at Flickr say the frontfork is from a 750 Yamaha. The transmission is from a 1977 BMW. The tank is from a Laverda, the chassis is lengthened, but I don’t know from which motorcycle the chassis originally came.

Diesel 06.06.07 at 5:55 am

Euro builders adapt that BMW driveline to alot of different motors, I’d like to know more about that, if anyone knows where there is any info on this. I have seen it adapted to a Harley Evo and a air-cooled VW.

Casey 06.06.07 at 7:57 am

Outstanding! Looks like it could have been a factory bike, The transmission adapter plate is nicely radiused and blends-in well. This bike is rekindling the thought of a VW-powered bike..

todd 06.06.07 at 2:31 pm

Casey, how about a WRX Subaru motor! Not that there is anything wrong with the excellent air cooled VW engine.

-todd

Diesel 06.07.07 at 4:40 am

Todd, now your talking. I know a guy with a JDM STI front clip that he never ended up using, hmmm…..
(remember http://www.stiatv.co.nz ?)

Willie Schmitz 06.07.07 at 11:59 am

Wow! Looks factory. I want It!

Jeffreyvan 06.07.07 at 2:46 pm

diesel for bmw/vw info check out yahoo groups vw motorcycles and http://www.ogrecycle.blogspot.com Bud burkey’s porsche powered bikes wich were on espn2 also

todd 06.07.07 at 4:36 pm

Holy expletives! That Stiatv WRX quad would scare the intestines out of me.

-todd

sweetlemonaid 06.16.07 at 11:46 pm

Boxer powered motorcyles, whether home grown or mass produced, are some of the best cycles. Look at the staying power of the boxer BMW. Harley had a boxer engine bike. Even Brough Superior produced a model with a boxer engine–
called the Golden Dream. By the way, check out the Corvair powered cycle:
http://www.nakedgoldwings.com/gallery/slideshow.php?set_albumName=Corvair-Chopper

Phil 01.28.08 at 9:50 am

I saw this (or one like it) in 1980 in southern holland (Stein, Limburg) outside a chipshop. I remember I thought it was an MV, but the tank badge was an Alfa badge. My dad told me it was an Alfasud motor. The bevel drive is from a twinshock BMW. The one I saw was unfaired with a slightly more angular tank. One and the same??

bill conton 02.16.08 at 9:46 pm

this engine was lifted from the alpha sud car produced in the late 70s and early 80s. it was an absolute craker of an engine whith a musical exhaust note. the car itself had superb handling caracteristics in typical alpha fashion

Wantalfaenginegokart 02.10.09 at 8:49 pm

Has anyone ever seen an Alfa engined go kart?

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