250GK (double-seat): Ownr`s Manual
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f) Check the cooling devices:
Check if the water tank and the water pipe leak.
Check if the water in the subsidiary water tank is between
the upper limit (1) and lower limit (3). If water is
insufficient, please open the cap (2) and add water to the
upper limit.
(3) 100 Hours Maintenance
a) Finish the 50 hours maintenance.
b) Remove the cylinder cover and cylinder body and remove the carbon on the cylinder cover,
cylinder body, the piston top and the in/ex valve, etc.
c) Clean the inner part of the crankcase. Rotate the crankshaft during the cleaning to clean the main
bearing and con’rod big end needle bearing.
d) Check if the fixed screw of the generator stator is loose. Keep the connectors and electric parts
dry and clean.
(4) 150 Hours Maintenance