Remove the air filter cover (2).
Disassemble the covering (1).
Unscrew the fastening screws (1).
Remove valve cover (2) with gasket.
Valve clearance:
Intake valve (IN)
0.10 mm (0,004 in)
Exhaust valve (EX)
0.10 mm (0,004 in)
Crank the engine, until the exhaust valve (EX) is fully open.
Check the valve clearance on the intake valve (IN) with a
feeler gauges (1), adjust if necessary.
Crank the engine further, until the intake valve is fully open.
Check the valve clearance on the exhaust valve, adjust if
necessary.
Fig. 53
Fig. 54
Checking the valve clearance
Fig. 55
Maintenance – Half-annual maintenance
BPR 50/55 D / BPR 60/65 D
65
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