Section 03
TROUBLESHOOTING
Subsection 02
(ENGINE)
03-02-9
SYMPTOM
ENGINE EQUIPPED WITH RAVE VALVE DOES NOT REACH ITS FULL
OPERATING RPM (500 TO 1000 RPM SLOWER).
CONDITION
NORMAL USE.
Test/Inspection
1. Check RAVE valve pistons.
a. Valve piston(s) is (are) too far out.
Screw valve piston(s) to bottom.
2. Check RAVE valve stems.
a. Bent RAVE valve stem(s).
Replace.
3. Check RAVE valves.
a. Jammed valve(s).
Clean.
4. Check tension of RAVE springs.
a. Inadequate spring tension.
Replace.
5. Check RAVE pressure holes.
a. Clogged holes.
Clean.
6. Check clamps or sleeves.
a. Damaged clamp(s) or sleeve(s).
Replace.
SYMPTOM
ENGINE EQUIPPED WITH RAVE. ENGINE HESITATES AT MID-SPEED AND
REACHES MAXIMUM PERFORMANCE ONLY AFTER A WHILE.
CONDITION
NORMAL USE.
Test/Inspection
1. Check RAVE valve spring(s).
a. Spring tension is too weak or spring(s) is (are) broken.
Replace.
2. Check RAVE valve cover red adjustment screws.
a. Adjustment screw(s) is (are) too loose.
Adjust according to specifications.
3. Check RAVE valve movement (RAVE movement indicator P/N 861 7258 00).
a. Valve(s) is (are) stuck in open position.
Clean.
SYMPTOM
REWIND STARTER ROPE DOES NOT REWIND.
CONDITION
NORMAL USE.
Test/Inspection
1. Check rewind spring.
a. Broken spring.
Replace spring.
Summary of Contents for Formula MACH 1
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