Max_Morley
Serious Thumper
Offline
LT650 Luxury Touring & sidecar rig
Posts: 1490
Moses Lake. WA
Gender:
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From my reading of the Suzuki shop manual and watching the solenoild when the tank is off. One the starter button is pushed, a sequence of events takes place, first the decompresser solenoid is energized, slightly lifting the exhaust valves off their seat(if closed if open prevents them from full clsoing). The starter motor is then engerized and after preset time the decompressor is deactivated. This allows the engine to start spinning w/o compression or low compression until the flywheel effect has taken place. This allows them to use a smaller starter motor and battery to get the job done. I can tell you from experience when the solenoid doesn't work, the battery has to be fully charged to crank the engine and no-starts are a regular occurance. The 87 my B-i-L got had a dirty plunger in the solenoid and we had to clean it out and adjust it so it would start easily every time.
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