253fmm Service Manual -

Manual Solution: Turn to the "Clutch" section. Measure the clutch spring free length. If springs are below 26mm new spec (approx 32mm), replace them. Also, check the manual for oil viscosity warnings—automotive oil with "friction modifiers" ruins the wet clutch.

After reassembly, the manual shows you the "T" mark on the flywheel through the inspection hole. Set intake valve lash to 0.05mm – 0.08mm and exhaust to 0.08mm – 0.10mm. (Hot vs. cold specs vary; cold is safer for amateurs). 253fmm service manual

Here are three frequent failures and how the service manual tells you to fix them. Manual Solution: Turn to the "Clutch" section