3 EFI System
3-23
3
Trouble and reason
Solution(Chapter)
Cylinder head not total tighten
Tight up(See chapter 5)
No valve clearance
Adjust(See chapter 2)
Cylinder and piston wearing
Inspect and replace( See chapter 5)
Bad piston ring(Wearing, weak, Damage) Inspect and replace ( See chapter 5)
Piston and grove clearance too large
Inspect and replace ( See chapter 5)
Cylinder head gasket damaged
Replace( See chapter 5)
Cylinder head twisted
Inspect and replace ( See chapter 5)
Valve spring damaged or weak
Inspect and replace ( See chapter 5)
Valve not in suitable position(Valve bent,
wearing or carbon covered)
Inspect repair or replaced( See chapter 5)
Explode shaking
:
Conbustion room
Repair( See chapter 5)
Bad fuel quality or wrong fuel( Use the
fuel recommend in owner’s manual)
Replace the fuel( See chapter 3)
Wrong spark plug
Replace the sparkplug to right one(See chapter16)
Ignition coil problem
Inspect (See chapter 16)
Ignition control mode in ECU problem Inspect ( See chapter 16)
Intake temp sensor problem
Inspect ( See chapter 3)
Other
:
Throttle valve cannot full open
Check the throttle cable and machenism.
Breaking jammed
Inspect the sealant damage and pipe
jamming(See chapter 12)
Clutch sliding
Inspect the disc wearing(see chapter 6 )
Engine over heat
(See chapter 17)
Engine oil too much
Repair(see chapter 7)
Engine oil viscosity too high
Replace( See chapter 2)
Transmission problem
Inspect the drive chain(Chapter 2)and sprocket(See
chapter 11)
Cam wearing
Inspect and replace(See chapter5)
Muffler over heat
Replace the muffler( See chapter5)
Bad smoke
(White smoke
Piston oil ring wearing
Inspect and replace ( See chapter5)
Cylinder wearing
Inspect and replace ( See chapter5)
Sealant damage
Replace( See chapter5)
Valve conductor wearing
Replace the conductor( See chapter5)
Engine oil too much
Repair( See chapter7)
There is water in fuel
Replace the fuel
EFI system trouble shooting diagram
Summary of Contents for CF400-A 2017
Page 1: ...WWW CFMOTO COM Service manual CF400 A CF650 7B ...
Page 2: ...All right reserved ZHEJIANG CFMOTO POWER CO LTD Sep 2017 WWW CFMOTO COM ...
Page 31: ...2 13 2 Periodic maintenance 2 Special tool ...
Page 74: ...3 2 CFMOTO Exploded View ...
Page 148: ...4 2 Exploded view ...
Page 153: ...4 Cooling system 4 4 7 Special tool Bearing pressor Oil seal pressor ...
Page 168: ...5 3 5 Engine top 5 Exploded view ...
Page 170: ...5 5 5 Engine top 5 Exploded view ...
Page 174: ...5 9 5 Engine top 5 Special tool and sealant ...
Page 203: ...6 2 CFMOTO Exploded view ...
Page 206: ...6 Clutch 6 5 6 Clutch holder Sealant Special tool and sealant ...
Page 220: ...7 2 CFMOTO Exploded view ...
Page 222: ...7 4 CFMOTO Engine Oil Flow Chart ...
Page 223: ...7 Engine Lubrication system 7 5 7 Engine Oil Flow Chart ...
Page 237: ...8 2 CFMOTO Exploded view ...
Page 245: ...9 3 9 Crankshaft Transmission 9 Exploded view ...
Page 247: ...9 5 9 Crankshaft Transmission 9 Exploded view ...
Page 284: ...10 2 CFMOTO Exploded view ...
Page 300: ...11 2 CFMOTO Exploded view ...
Page 314: ...12 Breakingsystem 12 3 12 Exploded view Front break ...
Page 316: ...12 Breakingsystem 12 5 12 Exploded view Rear break ...
Page 319: ...12 8 CFMOTO Special tool Retainer plier Hand tester Jack Jack accessories ...
Page 335: ...13 2 CFMOTO Frontfork exploded view ...
Page 337: ...13 4 CFMOTO Rearswing armexplodedview ...
Page 350: ...14 2 CFMOTO Exploded view ...
Page 372: ...16 4 CFMOTO Parts location 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 21 ...
Page 402: ...Ignition System Ignition system wiring diagram 16 34 CFMOTO ...
Page 409: ...16 Electrical system 16 41 16 Starting system Starting system wiring ...