2003 Yamaha Motorsports RX-1 Mountain Owners Manual - Page 86

2003 Yamaha Motorsports RX-1 Mountain Manual

Get 2003 Yamaha Motorsports RX-1 Mountain PDF manuals and user guides View all 2003 Yamaha Motorsports RX-1 Mountain manuals

Page 86 highlights

ESU00358 9- TROUBLESHOOTING A. Engine turns over but does not start 1. Fuel system No fuel supplied to combustion chamber G No fuel in tank ...Supply fuel. G Clogged fuel line ...Clean fuel line. G Clogged carburetor ...Clean carburetor. Fuel supplied to combustion chamber G Flooded engine (too much choke) ...Crank engine with throttle open or wipe the spark plugs dry. 2. Electrical system Poor or no spark G Spark plugs are dirty with carbon or are wet ...Remove carbon or wipe the spark plugs dry; replace if necessary. G Faulty ignition system ...Ask a Yamaha dealer to inspect. G T.O.R.S. system malfunction ...Disconnect the carburetor switch connectors and connect the wire harness connectors together to bypass the T.O.R.S. 3. Compression Insufficient G Loose cylinder head nuts ...Tighten nuts properly. G Worn or damaged gasket ...Replace gasket. G Worn or damaged piston and cylinder ...Ask a Yamaha dealer to inspect. B. Starting the engine with a discharged battery If the snowmobile battery is discharged, the engine can be started using a 12-volt battery and jumper cables. Two connecting leads have been provided for jump-starting the snowmobile. Due to the rubber engine mounting, the snowmobile frame is not a suitable grounding point for jump-starting the engine. WARNING @ G G Connect the jumper cables only to the connecting lead terminals. Do not connect them to the frame or any wire or other lead. When connecting the jumper cables, do not contact the jumper cables or connecting lead terminals to each other or to the frame or any metal part of the snowmobile. This can cause electrical system damage or A FIRE HAZARD. @ CAUTION: @ WARNING @ G G Before bypassing the T.O.R.S., make sure that the throttle returns properly to the fully closed position. The T.O.R.S. is an important safety device; in the case of a malfunction, take the snowmobile to a Yamaha dealer immediately for repair. Use the connecting leads to jump-start the snowmobile only. Do not use the connecting leads for any other purpose. @ 1. Apply the parking brake and turn the main switch to "OFF". @ 9-1

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
9-1
ESU00358
9-
TROUBLESHOOTING
A.
Engine turns over but does not start
1. Fuel system
No fuel supplied to combustion cham-
ber
●
No fuel in tank ... Supply fuel.
●
Clogged fuel line ... Clean fuel line.
●
Clogged carburetor ... Clean carbure-
tor.
Fuel supplied to combustion chamber
●
Flooded engine (too much choke) ...
Crank engine with throttle open or wipe
the spark plugs dry.
2. Electrical system
Poor or no spark
●
Spark plugs are dirty with carbon or are
wet ... Remove carbon or wipe the
spark plugs dry; replace if necessary.
●
Faulty ignition system ... Ask a Yamaha
dealer to inspect.
●
T.O.R.S. system malfunction ... Discon-
nect the carburetor switch connectors
and connect the wire harness connec-
tors together to bypass the T.O.R.S.
WARNING
@
●
Before bypassing the T.O.R.S., make
sure that the throttle returns prop-
erly to the fully closed position.
●
The T.O.R.S. is an important safety
device; in the case of a malfunction,
take the snowmobile to a Yamaha
dealer immediately for repair.
@
3. Compression
Insufficient
●
Loose cylinder head nuts ... Tighten
nuts properly.
●
Worn or damaged gasket ... Replace
gasket.
●
Worn or damaged piston and cylinder
... Ask a Yamaha dealer to inspect.
B. Starting the engine with a dis-
charged battery
If the snowmobile battery is discharged,
the engine can be started using a 12-volt
battery and jumper cables. Two connecting
leads have been provided for jump-starting
the snowmobile. Due to the rubber engine
mounting, the snowmobile frame is not a
suitable grounding point for jump-starting
the engine.
WARNING
@
●
Connect the jumper cables only to
the connecting lead terminals. Do
not connect them to the frame or
any wire or other lead.
●
When connecting the jumper cables,
do not contact the jumper cables or
connecting lead terminals to each
other or to the frame or any metal
part of the snowmobile. This can
cause electrical system damage or
A FIRE HAZARD.
@
CAUTION
:
@
Use the connecting leads to jump-start
the snowmobile only. Do not use the
connecting leads for any other purpose.
@
1. Apply the parking brake and turn the
main switch to “OFF”.