4
Main performance
Items Data Items Data
Maximum output
3.7Kw/5500Rpm(5HP)
Valve clearance IN
(cold engine)
0.08～0.12mm
4.4Kw/5500Rpm(6HP)
Valve clearance EX
(cold engine)
0.08～0.12mm
Full throttle operating range 4500～5500Rpm
Tightening
torque for
engine
Spark plug 13.0Nm
Idling speed (in neutral) 1500±50Rpm
Engine oil
drain bolt
18.0Nm
1.2.2 Fueling instructions
Fueling instructions:
Recommended gasoline:
Regular unleaded gasoline, If it is not available,
then premium gasoline.
If knocking or pinging occurs, use a different brand of gasoline or premium unleaded fuel. If leaded gasoline
is usually used, engine valves and related parts should be inspected after every 100 hours of operation.
WARNING：
Do not smoke when refueling, and keep away from sparks, flames, or other sources of
ignition.
Stop engine before refueling.
Refuel in a well-ventilated area. Refuel portable fuel tanks off the boat.
Do not overfill the fuel tank.
Take care not to spill gasoline, if gasoline spills, wipe it up immediately.
Tighten the filler cap securely after refueling.
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