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About Rich Johnston
Expertise
I have honda repair experience on all vintage Hondas from 1972 through 1980. I worked in a Honda dealership while going to college and have experience in all types of honda motorcyle repair. I don't have any experience on other brands.

Experience

Education/Credentials
BS degree in mechanical engineering, Honda technical school graduate of 1975

 
   

You are here:  Experts > Shopping > Motorcycles > Motorcycle Repair > honda 250r wont start

Motorcycle Repair - honda 250r wont start


Expert: Rich Johnston - 11/29/2008

Question
i have a 1982 honda 250 r that wont start its getting fuel and spark but still wont start are they two stroke or 4 stroke

Answer
The 250R is a 2 stroke.  Assuming the timing is right and the carb is set correctly, the only other thing that will keep a 2 stroke from starting are compression and crank case seals.  You'll have to check the compression and if that's okay, you'll need to need to check the crank case seals.  TO do that you'll have to block off the intake and the exhaust port and pressurize the crank case to about 10 psi.  Then watch how quickly the pressure drops.  If it drops quickly, you'll need to replace the seals.  If it goes down slowly, the seals are okay.

Regards
Rich

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