3 EFI System
3-63
3
Injector
Injector Removal/Installation
●
Refer to the Throttle Body Assy Disassembly/
Assembly.
Sound inspection
●
Start the engine
●
Apply the tip of a screwdriver [A] to the injector [B].
Put the grip end onto your ear, and listen whether the
injector is clicking or not.
●
A sound scope [C] can also be used.
●
Do the same for the other injectors.
«
If all the injectors click at a regular intervals, the
injectors are good. The trouble may be related to the
fuel line, requiring fuel pressure inspection (see Fuel
Pressure Inspection).
●
The click interval becomes shorter as the engine
speed rises.
●
If any injector(s) doesn
’
t click, the EFI circuit or
the injector is suspect. Perform
“
Fuel Injector Power
Source Voltage Inspection
”
, first.
Injector Power Source Voltage Inspection
●
Turn the ignition coil OFF.
●
Remove the fuel tank.
●
Remove the air filter.
●
Disonnect the fuel injector connector [A].
Fuel Injector Output Voltage
:
Cylinder 1:
Meter
(+)
→
[C]
M et er
( - )
→
Batte ry
(
-
)
Cylinder 2:
Meter
( + )
→
[ C ]
M et er
( - )
→
Batte ry
(
-
)
●
Connect a hand tester [B] to the fuel injector
connector.
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 ...