Fuel System Troubleshooting; Fuel System Torque Values; Fuel System Tool - Honda CR 125R 2002 Sevice Manual

TORQUE VALUES
Sub· frame mounting bolt (u p per)
Aeed valve mounting screw
T hrottle cable holder
Float pin set screw
Needle jet holder (2000 - 2001:)
Main jet
Slow jet
Float valve seat set screw
Carburetor lop screw (1000:)
(After 2000:)
Throttle stop screw lock nut
Float chamber screw (2000 - 2001:)
(After 200 1:)
Carburetor drain plug (2000 - 2001:)
(After 2001:)
Choke knob lock nut
TOOL
Carburetor float level gauge
TROUBLESHOOTING
Engine won't start
Too much fuel getting 10 Ihe engine
- Air cleaner clogged
- Flooded carbu retors
Intake ai r leak
Fuel con t aminated/deteriorated
No fuel to carburetor
- Fuel filter clogged
- Fuel hose clogged
- Fuel valve stuck
- Float level misadjusted
- Fue l tan k breather hose clogged
Slow circuit clogged
29 N ' m 13.0 kgf' m, 22 Ibf·ft)
, N' m
(0.'
kg f' m, 0.7 Ibf.ft)
3 N ' m (0.3 kgf' m, 2.2 lbf.ft)
2 N' m (0.2 kgf·m. 1.4 Ibf· hl
3 N ' m (0.3 kgf' m, 2.2 Ibf· ft)
2 N· m (0.2 kgf· m. 1.4 Ibfoft)
N· m (0.1 kgf' m, O.7I bf·ft )
N ' m {0.1 kg f· m. O.7l bfoftl
4 N ' m (0.4 kgf· m, 3.0 Ibf.ft)
2 N ' m (0.2 kgf'm, 1.4 Ibfoft)
2 N ' m (0.2 kgf' m, 1. 4 Ibf.ftl
2 N ' m (0.2 kgf' m, 1.4 Ibf.ft)
4 N om (0.4 kgfom, 3.0 Ibfoftl
7 N ' m (0.7 kgfom, 5.1 Ibfoft)
4 N ' m (0. 4 kg fo m, 3.0 Ibfo ft )
4 N ' m (0.4 kgfom, 3.0 Ibf.ft)
07 40 1 - 0010000
Rich m ixture
Choke valve in ON position
Float valve faulty
Float level too high
Air jets clogged
Air cleaner element cont aminated
Flooded carbu retor
Worn crankshaft seal (clutch side)
FUELSVSTEM
Jetting incorrect fo r a ltitude/temper ature conditions
Enginestalls, hard t o start, rough idling
Fuel line res t ricted
Ignition mal fun ct ion
No spark at plug !faulty spark plug or ignition malfunction)
low cylinder compression
Fuel mixt ure too lean/rich
l ean mixture
Fuel jets clogged
Fuel tank breather hose clogged
Fuel filter clogged
Fuel li ne restricted
Float valve faulty
Floal level too low
Air vent hose clogged
Advanced ignition timing
Intake air leak
Worn crankshaft seal (alternator side)
Jetting incorrect for altitude/temperat ure con d it ions
Fuel con taminal edjdeteriorated
Intake air leak
Float level misadjusted
Fuel tank breather hose clogged
Ai r screw misadj usted
Slow circuit or starti n g enrichmen t circui t clogged
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