Jianshe JS125-6B, Maintenance Manual

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32
PERIODIC INSPECTION AND ADJUSTMENT
Adjust idle speed
1. Start and warm the engine
2. Install the parts as fellows
Engine speedometer
Install the engine tachometer on a high-pressure
wire (park plug).
3. Confirm items
Turnover number of standard idle speed
Engine tachometer
Out of standard value Adjust
Turnover number of standard idle speed
1300 1500rpm
Note
Start engine
Turn the adjusting screw from left to right until
standard number of turns.
Turn in Engine speed is increase
Turn out Engine speed is decrease
Standard number of turns of P.S adjusting screw:
2.0 circle
5. Disassemble the parts as fellows
Engine tachometer
4. Adjustment
Turnover number of standard idle speed
Don't lock tightly
Turn out it to standard number of turns
Adjustment order
Screw down P.S adjusting screw lightly
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