8-39
EBU00303
Valve clearance adjustment
The correct valve clearance changes with use,
resulting in improper fuel/air supply or engine
noise. To prevent this, the valve clearance must
be adjusted regularly. This adjustment however,
should be left to a professional Yamaha service
technician.
EBU00304
Cam chain adjustment
The cam chain becomes loose with use, result-
ing in improper valve timing and engine noise.
To prevent this, the cam chain tensioner must
be adjusted regularly. This adjustment should be
left to a Yamaha service technician.
5YF-9-62 8 2/23/05 6:56 PM Page 8-39
Summary of Contents for RAPTOR YFM50RV
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Page 168: ...7 1 OK OK OK Riding Your ATV 5YF 9 62 7 2 22 05 9 02 AM Page 144 ...
Page 169: ...7 2 Conduite Conducción du del VTT ATV 7 OK 5YF 9 62 7 2 22 05 9 02 AM Page 145 ...
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