2009-2010 Honda CRF450R Electrical System Specifications

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Electrical System Specifications For Your 2009 – 2010 Honda CRF450R Dirt Bike.

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Spark Plug
– Standard (NGK)SILMAR9A-9S
– Optional (NGK)SILMAR10A-9S
Spark Plug Gap0.9-0.9 mm (0.03-0.04 in)
Ignition Coil Resistance (@ 68°F/20°C)2.6 – 3.2 Ω
Ignition Coil Peak Voltage100 V minimum
CKP Sensor Peak Voltage0.7 V minimum
Alternator Coil Resistance (@ 68°F/20°C)0.1 – 1.0 Ω
Ignition Timing (“F” Mark)8° BTDC @ idle
Alternator Capacity0.091 kw/5,000 RPM


Keep Your ’09-’10 CRF450r Running Right!

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