Adding another relaysolenoid before the starter motor and supplying additional current through a large gauge wire to that. Running new heavier wires to the starter motor from the switch.

Yanmar Starter Motor Wiring Diagram Wiring Diagrams
Yanmar starter motor diagram. Over time the starter wire white may develop corrosion at one of several connection points and youll find yourself pressing the start switch and nothing happens. They didnt seem to help. Many older yanmar diesel engines start developing problems starting due primarily from corrosion and an undersized wire from the starter switch to the starter solenoid. Lubrication system 3gm 3gm3o 3hm and 3hm35models diagram. I tried numbers 1 and 2 because they were easy. We had issues with our starter on our 1978 gulfstar sloop.
This video attempts to explain a basic starting circuit on a yanmar 3hm35f diesel engine. View online or download yanmar 3gm30f user manual. Yanmar tractor parts featuring a wide selection of new parts for imported yanmar tractorsparts for other tractor makesyanmar clutch kitswater pump kitsfilter kitsengine. Yanmar 3gm30f pdf user manuals. Starter motor no load specifications. If i kept the key in the on position and.
She has a perkins 4 108 diesel engine and i was getting no response when turning the key. Replacing the wiring harness with a new yanmar harness. Starter motor no load. This is not particularly specific to yanmar and most small tractor and marine diesel engines will be similar.