SOHC.co.uk Forums > SOHC Singles & Twins
1981 CM250T
Bryanj:
The engine has two balance shafts connected to the crank by a chain which has an adjuster, if you dont understand the system and adjustment procedure after reading the manual dont buy the bike as its a very important service item
blackeagles:
--- Quote from: Bryanj on March 06, 2023, 11:24:58 AM ---The engine has two balance shafts connected to the crank by a chain which has an adjuster, if you dont understand the system and adjustment procedure after reading the manual dont buy the bike as its a very important service item
--- End quote ---
It seems simple enough (famous last words) just to adjust it but a bit of a pain to have to replace the chain or plate.
Oddjob:
Most were out of adjustment on the 500 mile service. I was regularly removing the clutch cover so I could move the adjuster on the splines. I was the only mechanic who used to do it, everyone else just removed the chrome screw in part, release the lock nut, let it drop and put it all back together again. Even at 500 mile they could clatter if not adjusted properly. I was also the only one to balance the carbs and they were always out of adjustment. Liked working on the 250N motor, so simple, so accessible.
blackeagles:
I'm starting to think I should have gone for the 250N SuperDream
blackeagles:
--- Quote from: Oddjob on March 06, 2023, 01:12:27 PM ---Most were out of adjustment on the 500 mile service. I was regularly removing the clutch cover so I could move the adjuster on the splines. I was the only mechanic who used to do it, everyone else just removed the chrome screw in part, release the lock nut, let it drop and put it all back together again. Even at 500 mile they could clatter if not adjusted properly. I was also the only one to balance the carbs and they were always out of adjustment. Liked working on the 250N motor, so simple, so accessible.
--- End quote ---
What is the number of miles as stated in the workshop manual for the adjustment?
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