3.
Remove the air filter cover (2).
4.
Disassemble the covering (1).
5.
Unscrew the fastening screws (1).
6.
Remove the valve cover (2) with gasket.
Valve clearance:
Intake valve (IN)
0.20 mm (0.008 in)
Exhaust valve (EX)
0.20 mm (0.008 in)
1.
Crank the engine, until the exhaust valve (EX) is fully open.
2.
Check the valve clearance on the intake valve (IN) with a
feeler gauge (1), adjust if necessary.
3.
Crank the engine further, until the intake valve is fully open.
4.
Check the valve clearance on the exhaust valve, adjust if
necessary.
Fig. 67
Fig. 68
Checking the valve clearance
Fig. 69
Maintenance – Annually / every 250 operating hours
BPR 50/55 D
78
Go
to
Discount-Equipment.com
to
order
your
parts
