These manuals & guides are provided by various sources such as, the manufacturer, members and various other sources on the Internet. Original source credit is given when known.
Troubleshooting / Maintenance Guides
ELECTRICAL
Checking your Stator process tree
Charging System Diagnostics
Reading your Plug
What spark plug numbers mean
150cc Electric Schematic
5 Wire Key switch pin outs:
the 5 wire Key switch:
green: negative;
red: positive;
black:positive,when you turn on,connecting with red wire;
black/white :from cdi, to shut off the engine;
yellow/red:to solenoid, for start
GENERAL
GY6 150cc Troubleshoot
CARB
Rejetting Basics
Carb Adjustments
Stage 1 upgrade kit procedures
(Coil, UNI/K&N, Rejet)
ELECTRICAL
Checking your Stator process tree
Charging System Diagnostics
Reading your Plug
What spark plug numbers mean
150cc Electric Schematic
5 Wire Key switch pin outs:
the 5 wire Key switch:
green: negative;
red: positive;
black:positive,when you turn on,connecting with red wire;
black/white :from cdi, to shut off the engine;
yellow/red:to solenoid, for start
GENERAL
GY6 150cc Troubleshoot
CARB
Rejetting Basics
Carb Adjustments
Stage 1 upgrade kit procedures
(Coil, UNI/K&N, Rejet)
Manuals
Most are in .PDF format.
If you don't find the exact manual you're looking for, another model may have similar configurations. Most of these Chinese engines are the same ones, just different chassis, be it scooter, buggy or ATV.
Baja Dune 150 Parts Manual
Baja Reaction 150 Parts Manual
Baja 150 Vin prefix L4VM Owners
Baja 150 Vin Prefix L6K
Baja 250cc Owners Manual
Carter Talon 150 Users Manual
Carter 150 Service Manual
Carter GTR 250 Service Manual
Carter GTR 250-300 parts Manual
Carter GTR 250 (Diff) Service Manual
Carter GTR 250 (Live axle) Service Manual
CFMoto 250cc manual
CFMoto 172mm Motor exploded views
CN250 Reverse Exploded view
Coolster 250GK 6250 Manual
Crossfire 150cc Owners Manual
Crossfire 150cc Punisher Part Numbers
Crossfire 150R Parts & Engine Parts
Hammerhead ES150IIR 2005 Owners/Parts
Hammerhead LM150IIR 2005 Owners/parts
Hammerhead UM250IIR Owners/Parts Manual
Joyner Dirt Devil 250 Owners/Parts
Joyner Viper 250SZ Owners/Parts
Kinroad 150 Electrical Schematic
Kinroad GK70-90 Parts (Newer models)
Kinroad GK70-90 Parts (Older models)
Kinroad 110GK Parts (Newer models)
Kinroad 110GK Parts (older models)
Kinroad XT150 Owners
Kinroad XT150-2 Owners
Kinroad XT150-2 Parts
QMJ157 150cc GK-6, 8, 10
Kinroad XT150GK-7 Parts
Kinroad XT150GK-8 Parts
Kinroad XT150GK-9 Parts
Kinroad 250cc Sahara Owners
Kinroad XT250GK-6 Raptor Parts
Kinroad XT250GK-7 Parts
Kinroad XT250GK-8 Parts
Kinroad XT250GK-9 Parts
Kinroad XT300 Parts
Manco Helix 6150 Owners
Manco Helix 6150 Parts
Roketa 150cc GK01 Owners
Roketa GK06 Owners
Roketa MC07 Owners (150cc Scooter)
Roketa GK13 Owners
Sun-L GK-250 2A Parts
Xingyue Sportsbuggy XTKD260-1 Repair
