13．Engine Overhaul Information
Carburetor
Item Standard Remark
Carburetor Type MIKUNI BSR36-89
I.D. Mark 07G0
Carburetor Barrel Size 36mm
Engine Idle Speed 1300r/min+100r/min
Main Jet (MJ) N10221-130#
Main Air Jet (MAJ) MD13/24-35#
Jet Needle (JN) J8-5E26
Needle Jet (NJ) 785-401011-P-OM
Pilot Jet (PJ) N224103-22.5#
Pilot Jet Screw (PS) 604-16013-1A
Electrical System
Item Standard Remark
Type NGK;DPR7EA-9 Spark Plug
Gap 0.8-0.9
Spark Character >8mm
Ignition coil
Resistance
Primary 0.1Ω-0.5Ω
Secondary 12Ω-22Ω
Magneto Coil
Resistance
Pick-up 150Ω-300Ω
Magneto Voltage (Without load) >100V(AC),5000r/min
Max. Magneto Output Power 300W, 5000r/min
Regulated Voltage 13.5V-15.0V, 5000r/min
Primary Peak Voltage of Ignition Coil >150W
Starter Relay Coil Resistance >120W
Starter Relay Coil Resistance 3Ω-5Ω
Auxiliary Starter Relay Coil Resistance 90-100Ω
13-9
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