Explorer GT 50 - Clutch; Transmission System+Driving Chain; Electrical

114
CLUTCH
Unit: mm(in)
ITEM STANDARD LIMIT
Clutch wheel inner diameter 112.00-112.15(4.410-4.415) 112.5(4.429)
Clutch shoe thickness 1.8(0.071) 1.2(0.005)
Clutch engagement 3000s300r/min
Clutch closedown 6000s300r/min
TRANSMISSION SYSTEM+DRIVING CHAIN UNIT᧶mm(in) EXCEPT RATIO
ITEM STANDARD TOLERANCE
Final reduction ratio / /
Gear reduction ratio / /
Drive belt width 16.8-17.2(0.6614-0.6772) 16.4(0.6457)
Driven face spring free distance 69(2.72) 64.5(2.54)
CARBURETOR
Manufacturer and type SANGUO, flat inhale stopper type
Identification code PZ19JB
Throat tube diameter 19mm
Main jet size #80
Pilot jet size #57.5
Oil needle clamp position 3nd groove
Idle air adjusting screw
Extrude 1
2
1
±
2
1
turnout
Float height
13s1mm
ELECTRICAL UNIT᧶mm(in)
ITEM SPECIFICATION NOTE
Ignition timing 15
0
AT 1500RPM
TYPE E7RTC(NANJING) Spark plug
GAP
0.5~0.7mm᧤0.020~0.028᧥
Spark performance Over 8 (0.3) at 1 atm
Ignition coil resistance Primary /secondary
0.2˖~0.3˖/7K˖~10K˖
Plug cap-ground
ITEM SPECIFICATION NOTE
Lighting <2˖
Gree/Red᧩GROUND
Charging <2˖
White ᧩Ground
Magneto coil resistance
Exciting
200s20˖ DWഒ
Blure᧫White or Gree᧫
White᧩Ground
Generator no-load voltage More than 52v at 5000r/min