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Bikes > monkeewrench’s Garage > “Stumper”


monkeewrench’s Profile Photo


M –50
Bend, Oregon
United States


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olemxer’s Profile Photo
Jan 31, 2010 at 12:31 am
my bike cost me 40.00....everything is in good shape but the forks....i live on the gulf coast...lots of rust...your bike looks like less work needed than mine...i have already blasted the tested all the electronics...i got a manual from e-bay...lots of info in this manual...from piston porting to timing tricks...i will send u any info u need...just ask...e-mail is

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1973 Yamaha SC500 (Stumper)

Last updated Feb 27, 2009  

Photo of a 1973 Yamaha SC500 (Stumper)


Dude had this bike advertised for $200 on craigslist! I bought it on the spot... Dude says it is digging a ditch or pulling a wheelie! Can't wait to fire it up... 500cc two stroke... Yee Haw!


500cc motor, 40hp, top speed around 73mph.

Factory Options

Compression release, oil injection setup.


All stock.


Bikes > monkeewrench’s Garage > “Stumper”

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