Honda XR100R User Manual

15. TROUBLESHOOTING
ENGINE DOES NOT START OR IS
HARD TO 5T ART 15·'
POOR PERFORMANCE AT HIGH
SPEED 15-4
15-5 ENGINE LACKS POWER 15-2
POOR HANDLING
PO QR PERFORMANCE AT LOW
AND IDLE SPEED 15-3
ENGINE DOES NOT START OR IS HARD TO START
,. Check the fuel flow to carburNor ----- Not rcachi ng --- - _
I carburetor
Reaching carburetor
j
2. Perlorm a splHk lest ---------Weak or no spark --- -
I
Gooo spark
3. Remove and inspect spark plug ----- Wet plug - ----- ••
I
Good
j
4. Start by following normal procedure --- Engine starts but -- --
I SlOPS
En gine do es nOI start
5. Test cylinder compression ------- Low com pression --- -.
Possible cause
Cl oggeo luell ine and Wier
Clogged fuel tank breath er tube
Faulty spark plug
Fou le d spar k p lu g
Faulty ign ition control module
Broken or shorted spark plug wife
FaullI' i gnition pulsa ge " e.a l o,
F aultv ()ngine SlOP switch
Loose or disconnected ignition sys-
Tem wIres
Flooded carbureto r
Choke valve closed
Air cleaner d irt v
Improper choke operation
Carbureto r i ncorrectly adjusted
Intake pipe leaking
lmprop1lr ignili on l im ing \Faullv
ign il ion coil or i gnition pulse gener-
ator)
Fuel con ta minaTed
Valve clelHan ce too small
Valve STuc k open
Worn cylind{)r and pi ston ring
Oamaged evli nder head gasket
Sl/i'ed valve
Improper,>,alve
timing
15-1

Honda XR100R Specifications

General

Brand	Honda
Model	XR100R
Category	Motorcycle
Language	English