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Thread: Please help????? has my starter sprag clutch gone?????

  1. #1
    Superbike Twin
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    Please help????? has my starter sprag clutch gone?????

    Firstly I have to keep my bike outside fully covered up and out of the weather sort of.i did a few short journeys on it locally and it started struggling to start then after about 4 cold days,came to it and wouldn't start at all so I charged the battery,brought it back to life.refitted the battery and it started instantly better than any time since I've owned it.so all is good,then

    Let it sit again for just over a week due to rain and that,started it again for a ride out and all was fine,all day spot on,so parked it back up,then left another week and went to my local gym and fuel statio and these 2 times it sounded like it struggled to start,then today I started it and it struggled and turned it off ,then started it up again and it fired instantly.so went out on it for a really fast ride,stopped for 15 then turned key and tried to start an nothing then clocks went off totally,ended up having to jump it off a car and it fired up instantly so rode home,turned it off tried restarting and it made a funny noise like when you put it in gear and clocks went off again and nothing??

    What the hell can it be,please can anybody help,I thought sprag clutch but surely the clocks wouldn't go off,I tried the battery voltage on screen before it went off and it showed 12.5 with engine off and nothing on. it started instantly off the car aswell and showed 14.1 with everything off when the jump leads attached

  2. #2
    Baby Twin
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    Possibly a duff battery?
    I had all kinds of fun and games til I did the updated battery and solenoid thing

  3. #3
    pat
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    Evil Twin pat's Avatar
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    loose battery lead?

  4. #4
    Superbike Twin
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    I was thinking of a better battery and a better solenoid,does anybody know which solenoid is best ?

  5. #5
    Superbike Twin
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    You need to keep the battery charged up to the max or the big ole engine trying to turn over puts strain on the sprag clutch, which will knacker it up.

  6. #6
    Superbike Twin
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    I know theres just no way of getting round this unless I disconnect the battery and optimate it until I ride it.then I've got to fit it everytime.it feels like I haven't got the facilities to own a Mille because I have no garage.

  7. #7
    One Liter Duc Eater nikfubar's Avatar
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    Sounds like a loose battery connection or loose earth, as said you need to keep the battery topped up, can you park the bike near to the house If so fit a perminent optimate plug to the battery which hangs out the side of the bike or keep under the seat hump then all you need to do is run an optimate extension from inside the house to the bike.

    http://www.ebay.co.uk/itm/TM71-Optim...item231d38c692

  8. #8
    Superbike Twin
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    All I can tell you is a Sprag clutch failier is a proper pain in the ass, I speak from experience ! and it can lead to more serious problems, if you can keep ya bike at a mates house where it can be on charge it will be worth the drive everytime to go for a ride.

  9. #9
    Baby Twin
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    Quote Originally Posted by Rsvr2000 View Post
    I was thinking of a better battery and a better solenoid,does anybody know which solenoid is best ?
    I have just fitted this

    http://www.ebay.co.uk/itm/1208287850...#ht_794wt_1013

    And this

    http://www.ebay.co.uk/itm/1208762939...#ht_2203wt_992

    Been starting & running like a dream since !!!!

  10. #10
    GP Champ apostrophe's Avatar
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    Quote Originally Posted by Rsvr2000 View Post
    I was thinking of a better battery and a better solenoid,does anybody know which solenoid is best ?
    Yamaha part number for 150amp solenoid is 3UF-81940-00-00 or 4KD-81940-00. They are about 25 at Wemoto. Someone said they are about 20 at some online scooter shop I think.

    It's worth speaking to Wes (Killaprilla) about his uprated solenoid/starter leads too,

    Rob

  11. #11
    Superbike Twin
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    Thanks for all your help,I really don't know how I can have the up keep on this it seems so hard just to get it to start,I'm going to have to get the better battery and a new starter solenoid for a start,I understand with the optimate but there no way of doing that,I will start my button and work my way up,even if it means doin some sort of quick release seat so the battery is easy to take off and on and optimate it inside

  12. #12
    One Liter Duc Eater nikfubar's Avatar
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    If you need a new battery these are great, not had mine on the optimate for 2 weeks & it spun up perfect this morning & I've got a datatool alarm which used to drain my old battery at an alarming rate
    http://www.ebay.co.uk/itm/150708691025

  13. #13
    Superbike Twin
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    Thanks mate that looks a good choice

  14. #14
    GP Champ apostrophe's Avatar
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    Quote Originally Posted by Rsvr2000 View Post
    Thanks for all your help,I really don't know how I can have the up keep on this it seems so hard just to get it to start,I'm going to have to get the better battery and a new starter solenoid for a start,I understand with the optimate but there no way of doing that,I will start my button and work my way up,even if it means doin some sort of quick release seat so the battery is easy to take off and on and optimate it inside
    It's fairly easy to find quick release seat pins for the rsvr. A few people have made them, have a word with redratbike I think he made some for sale a little while ago. Expect to pay about 12 a pair from what I recall.

    Rob

  15. #15
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    That's brilliant,I've tried the 2 part numbers on wemoto and one part number is starter assy for yam and the other is starter solenoid for old xj Yamahas is this the right one as the one for xj's are 25 and the Yamaha assy is 50 pound.it doesn't mention there 150 amp at all but is this right?

  16. #16
    GP Champ apostrophe's Avatar
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    Quote Originally Posted by Rsvr2000 View Post
    That's brilliant,I've tried the 2 part numbers on wemoto and one part number is starter assy for yam and the other is starter solenoid for old xj Yamahas is this the right one as the one for xj's are 25 and the Yamaha assy is 50 pound.it doesn't mention there 150 amp at all but is this right?
    That's the one http://www.wemoto.com/parts/picture/ma-7063001/

    Look elsewhere and I'm sure you can save 5 or 6 .

    Rob

  17. #17
    Superbike Twin
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    Thanks again your all very helpful,really don't wana have to get rid of the bike due to little things that can be sorted.

  18. #18
    Superbike Twin
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    Hi I put the Yamaha part numbers in for starter solenoid and one is 50 pounds and the other 41 so I rang up and it's right 41 and 50,so neither of those are 25 pounds Also it takes 3 weeks to get it coz it's an original part.the aprilia 150 one that someone mentioned I can't find on eBay anywhere,really not having any luck

  19. #19
    GP Champ apostrophe's Avatar
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    Quote Originally Posted by Rsvr2000 View Post
    Hi I put the Yamaha part numbers in for starter solenoid and one is 50 pounds and the other 41 so I rang up and it's right 41 and 50,so neither of those are 25 pounds Also it takes 3 weeks to get it coz it's an original part.the aprilia 150 one that someone mentioned I can't find on eBay anywhere,really not having any luck
    Follow the link...http://www.wemoto.com/parts/picture/ma-7063001/ 25.75

    Rob

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