Section 02
TROUBLESHOOTING
Sub-Section 02
(ENGINE)
02-02-2
SYMPTOM
ENGINE SUDDENLY TURNS OFF
CONDITION
NORMAL USE
Test/Inspection
1. Perform engine leak test. Refer to engine leak verification flow chart.
Check possible piston seizure.
a.Damaged gasket and/or seal.
Replace defective parts.
2. “Four-corner” seizure of piston(s).
a.Accelerating too fast when engine is cold. Piston expands faster than cylinder.
Replace piston(s). Ask driver to refer to warm-up procedure in Operator’s Guide.
3. Piston(s) seizure on exhaust side (color on piston dome is correct).
a.Kinked fuel tank vent tube.
Relocate fuel tank vent tube.
b.Leaks at fuel line connections or damaged fuel lines.
Replace defective lines.
c.Fuel does not flow through carburetor(s) (plastic particles in needle area and/or
varnish formation in carburetor(s)).
Clean carburetor(s).
d.Spark plug heat range is too warm.
Install spark plug(s) with appropriate heat range (refer to TECHNICAL DATA 09).
e.Improper ignition timing.
Adjust according to specifications (refer to TECHNICAL DATA 09).
f.Restriction in exhaust system.
Replace.
g.Compression ratio is too high.
Install genuine parts.
h.Carburetor calibration is too lean.
Adjust according to specifications (refer to TECHNICAL DATA 09).
i. Improper rotary valve timing or improper valve.
Adjust according to specifications (refer to TECHNICAL DATA 09) and/or install
Bombardier’s recommended rotary valve.
j. Poor quality oil.
Use Bombardier Rotax oil.
k.Leaks at air intake silencer.
Replace air intake silencer grommets.
Summary of Contents for FORMULA S 1997
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Page 284: ...TUNDRA II LT ANNEX 1 mmr9737a fm5 Page 2 Thursday May 8 1997 4 37 PM...
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Page 287: ...FORMULA S SL SKANDIC 380 500 ANNEX 2 mmr9737a fm5 Page 4 Thursday May 8 1997 4 37 PM...
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Page 290: ...TOURING E E LT TOURING LE SLE ANNEX 3 mmr9737a fm5 Page 6 Thursday May 8 1997 4 37 PM...
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Page 639: ...ANNEX 7...
Page 640: ...ANNEX 7...
Page 641: ...SKANDIC WT LC ANNEX 8...
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Page 645: ...I 1997 Shop Manual VOLUME 3 FORMULA III III LT MACH 1 Z Z LT...
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Page 863: ...I 7 1997 Shop Manual Supplement GRAND TOURING SE...
Page 896: ...08 2 Section 08 WIRING DIAGRAM GAUGES A06H2YA...
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Page 910: ...SHOP MANUAL SUPPLEMENT MX Zx 440 LC PAGE 5 OF 18 LIQUID COOLING SYSTEM A15C2IS 1 2 PARTS...
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