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GENERAL INFORMATION
*SPECIFICATIONS
Item Unit
Data
4 HP 5 HP 6 HP
ELECTRICAL
Ignition timing Degrees BTDC 3° – 28°
Over revolution limiter r/min 6000
Ignition coil resistance Secondary
kΩ
at 20°C
8.4 – 12.4 [H.T.cord – pulser core]
Spark plug cap resistance
kΩ at 20°C
7.5 – 12.5
Battery charge coil resistance (Optional part)
Ω
at 20°C
0.6 – 1.0 [R – Y]
Battery charge coil output (12V) (Optional part)
AMP
6-7
Standard spark plug Type NGK BPR6ES
Gap mm (in) 0.7 – 0.8 (0.028 – 0.031)
GEARCASE
Design specification thickness for shim and washer
Pinion gear backup shim mm (in) 2.0 (0.08)
Forward gear backup shim mm (in) 1.2 (0.05)
Forward gear thrust washer mm (in) 1.0 (0.04)
Reverse gear thrust washer mm (in) 1.0 (0.04)
Reverse gear backup shim mm (in) 0.8 (0.03)
Initial selection-shim adjustment may be required.
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