Starting Motor Bad?

[jdsgrog]

I have a 1967 Johnson 33hp motor with electric start. It's been sitting for a number of years (I believe about 5 years). When I stored it back then I winterized it. The motor is not stuck.

So I was trying to get things started again. When I hooked it up to the battery and pushed the start button, the starter motor doesn't seem to have enough juice to turn the flywheel. When I took the spark plugs out because there is no compression, the starter motor was able to turn the flywheel.

Is the starter motor weak and need replacing? The battery is new and fully charged. I've also tried to start by bypassing the solenoid (with the plugs in) and it still didn't turn the flywheel.

 

[racerone]

Some folks are afraid to take a starter apart for testing / inspection.-----But I would not hesitate to dig in.

 

[kbait]

If you jump the starter directly w/good jumper cables from a good battery, it should spin fast.. even with plugs in. If it does that, check all your wiring. If it doesn’t, you have a bad starter.

 

[jdsgrog]

Ok, I figured out the issue. After doing a little more research I found that the jumper cables were just not making a solid connection to the terminal posts on the solenoid, ground, or on the battery. I attached some old battery cables to the solenoid and ground terminal posts, and then jumped it from there, and now everything works as it should.

 

[Crosbyman]

Godd news...conclusion...good batteries need good wires