Yamaha EF4500iSE Theory & Diagnostics Manual page 98

Yamaha Generator Theory & Diagnostics Guide
MAINTENANCE SPECIFICATIONS
ENGINE
Camshaft:
Camshaft outside diameter
Camshaft runout limit
Cam dimension
Carburetor:
Type / Quantity
I.D.mark
Bore size
Main jet
Main air jet
Pilot air jet
Pilot outlet
Valve seat size
Main nozzle
Pilot jet
Throttle valve
Float height " H "
Governor arm
Tension spring attach hole
MAINTENANCE SPECIFICATIONS
Unit
mm (in)
" A "
" B "
mm (in)
Standard
14.973 ~ 14.989
(0.5895 ~ 0.5901)
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±
26.9 (1.059)
0.05 (0.002)
±
22.025 (0.867) 0.05 (0.002) 21.925 (0.863)
BV20 / 1
7NJ-10
Ø 15 (0.590)
#91.3
Ø 1.8 (0.071)
Ø 1.1 (0.043)
Ø 0.9 (0.035)
Ø 1.8 (0.070)
31A
#41.3
#150
16 (0.630)
5
3 4
1 2
4
3-22
10
SPEC
Limit
14.95 (0.589)
0.1 (0.0004)
26.8 (1.055)
±
0.05 (0.002)
±
0.05 (0.002)
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