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V100-VL400 User Manual – Fault Finding
Indication Possible Cause Remedy
Compressor (5) Worn big end bearings. (5) Remove and inspect bearings.
knocking (cont.) Renew bearing shells if
necessary.
(6) Insufficient clearance (6) Check clearance with lead strip
between piston crown and and if insufficient fit joint
cylinder head. between cylinder base and
crankcase.