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General Category >> Rubber Side Down! >> getting started
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Message started by Bobbert on 10/21/09 at 16:14:54

Title: getting started
Post by Bobbert on 10/21/09 at 16:14:54

I did a complete top end and wiring overhaul of the bike. I'm not done with my harness yet, but I wanted to see if the engine would turn over. I can turn the crankshaft with a wrench on the timing rotor and everything seems to be aligned alright but I jumped the starter and it wont turn over. I hooked up car jumper cables to the battery (running at 12.5 volts) and tried grounding the cable on both the frame and the motor. When I touched the lead to the starter there were sparks from the alligator clips, as expected, but the starter doesn't move the motor at all.

Is there something fundamentally wrong with the way I did this or do I need to investigate the starter gears?

Title: Re: getting started
Post by runwyrlph on 10/21/09 at 17:08:29

i think i follow you ... my guess is too much compression- when you hit the starter this "decomps" so it will tun over

http://suzukisavage.com/images/uploaded/Decomp_1199.jpg

allows piston to move easily by releasing compression - don't know if you can pull it manually ?

Title: Re: getting started
Post by verslagen1 on 10/21/09 at 17:53:38

You've stalled the starter on the compression stroke.

You should be able to put it in gear and back the bike up to turn the engine over to the compression stroke. Then when you get back to the compression stroke the starter and engine already turning will have enough momentum to get thru the compression stroke.

Title: Re: getting started
Post by Bobbert on 10/22/09 at 11:46:51

I actually have my sparkplug out so I dont need to use the decomp. First I found that the starter gears needed a little oil on them. Then I made sure to connect the lead with the threaded part of the starter contact, not the nuts on it.

The bike turns over now. I dont know if it's got enough speed to start but I know that the engine is properly aligned.