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ENGINE ELECTRICALIgnition Data1986 ModelsSpark PlugMachineModelEngineModelIgnition TypePlug GapAlternator Output NGK Champion InchesStarEC25PS-06CDI-100 Watt SR8ES RN-3C .020Sprint (ES)EC34-2 PM-O 1 102CDI-120 Watt SR9ES RN-2C .020SSEC44-2PM-3100CDI-120 Watt SR9ES RN-2C .020Indy TrailEC50PM-01CDI-120 Watt SR9ES RN-2C .020Indy 400Indy 600 (LE)Long TrackEC40PL-02EC60PL-02EC44-2PM-5100CDI-120 Watt SR9ES RN-2C .020CDI-120 Watt SR9ES RN-2C .020CDI-120 Watt SR9ES RN-2C .020JEngineModelEC25PS-06EC34-2PM-01/02EC44-2PM-3100EC50PM-01EC40PL-02EC60PL-02EC44-2PM-5100MM InchesBTDC BTDC4.19 .1653.41 .1343.93 .1553.26 .12<strong>85</strong>.19 .2044.10 .1623.40 .134Running Ignition Timing at 3000 RPMDe¥reesAcceptable VariancesB DCMM Inches Degrees27.5±3 3.35-5.12 .1 32-.202 20.5°@600025.5±2 2.90-3.94 .114-.160 15.5°@700026.5±2 3.39-4.56 .133-.179 14.5°@650024.0±2 2.75-3.53 .108-.150 16°@ 650030.5±2 4.55-5.<strong>85</strong> .179-.230 15°@ 750027.0±1 3.81-4.40 .150-.173 20° @750024.5±2 2.87-3.93 .113-.155 12.5°@6500A All above <strong>engine</strong>s require a minimum of 88 (R+M)/2 octane fuel. If fuels of a lesser octane number areused or <strong>engine</strong>s are subjected to frequent overheated situations, the timing must be adjusted to the low sideof the accepted variance.R.F.1. spark plug cap resistance: 3,700 to 6,300 ohms.8/94 4.2
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