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| Starter problem http://www.ducatipaso.org/forum/viewtopic.php?f=3&t=7149 |
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| Author: | sean215 [ Wed May 27, 2015 3:30 am ] |
| Post subject: | Starter problem |
hello. my bike just started to have a problem with the starter. i start up the bike and the stater it spins but doesn't turn the engine. second try it spin and turn engine little and spin again. and the starter was new. i replace it last year from Rick's Motorsports Starter Motor. is anyone know have a problem like this and know how to fix it??? thanks |
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| Author: | ducinthebay [ Wed May 27, 2015 4:32 am ] |
| Post subject: | Re: Starter problem |
Sounds like a starter sprag. Otherwise known as a clutch. Its a one way clutch that connects the starter power to the crank. There is a fine spring like one on a seal all around it. If it gets stretched, it will be come intermittent. Just did it on an ST2. Cheers, Phil |
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| Author: | oceanhunter [ Wed May 27, 2015 7:37 am ] |
| Post subject: | Re: Starter problem |
If you can get the sprag bearing out and inspect the inner and outer surfaces of the bearing hubs for any roughness/uneven surface if this has occurred then get it skimmed slightly(outer) and use some emery cloth to dress the inner and fit a SKF seal spring that best suits the bearing proper,don't worry to much if the rollers have slight damage to them as I had one on mine and it has not caused any problems!Done 50,000 k's no worries. |
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| Author: | sean215 [ Thu May 28, 2015 2:24 am ] |
| Post subject: | Re: Starter problem |
thank for replying guys. is there a way to repair the starter sprag? i found one on ebay for 150 \ http://www.ebay.com/itm/331544858448?it ... 23&vxp=mtr |
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| Author: | nickta [ Thu May 28, 2015 10:33 pm ] |
| Post subject: | Re: Starter problem |
Hi Sean. The spring is usually the culprit with the sprag, and can be replaced with one off an SKF Oil Seal. There is a few posts here that cover it all. A KTM Sprag (new) is also available that is a direct replacement, and is about half the price of a genuine Ducati (don't figure?) unit. Again, the posts here have all that info. Have a look at posts: viewtopic.php?f=3&t=6359&hilit=sprag and viewtopic.php?f=3&t=6808&hilit=sprag That should keep you busy! Cheers. Nick. |
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| Author: | ducinthebay [ Thu May 28, 2015 11:09 pm ] |
| Post subject: | Re: Starter problem |
Or just google Ducati starter sprag clutch. All basically the same in function. (KTM too) Cheers, Phil |
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| Author: | sean215 [ Tue Jul 14, 2015 4:21 am ] |
| Post subject: | Re: Starter problem |
hello guys. lately i been busy. just have time to open up and see what wrong with the starter sprag. i found out that rollers have some damage. few of the rollers is bent at the gap where the spring fit in and the new spring wont fit in so i have to use sand paper to sand most of the damage part down. so the spring can fit in the gap. since i got a new spring. the inner surface have some uneven surface. should i just use sand paper to smooth them out? please let me know thanks guys |
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