Nitro motors ZTR Series, Manual

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35
compression
pressure is low The joint side of cylinder and cylinder
cover is leakage. rinsethe join side, assemble the gasket
and tighten nuts
Valve leakage Renew grinding or change valve
The piston rings or cylider is wear
seriously.
Replace piston rings or cylinder
Exhaust
unexpedite
muffler pluged dredge
Disposite on vent of of cylinder block or
muffler
Clean the carbon
fuel mixture is too thick or thin Adjust carburetor
Others Incorrect fuel change fuel
2. Poor idle speed
Problem Cause Correction
No idle speed
Improper adjustment of carburetor Readjust the idle adjustment bolt
Fuel pipe and gas pipe plugged Clean the fuel and gas pipe
Oil level of float chamber is too low Adjust the oil level to the set height
Idle speed is too
high
Elasticity of carburetor throttle spring is too weak Replace spring
Idle speed jet is wide Replace carburetor
Idle speed is Incorrect ignition timing Adjust the ignition time