sprag clutch help

bodien · Jan 20, 2010

hi my bike starter motor just seems to be spinning everytime i push the start button i have changed my relay/solinoid and thts not the problem my starter then decided to not work alltogether.what indications will i have if the sprag clutch is goin or has it gone aswell considiring the starter was just spining at the start??? please help i only had it for a week nearly .:C was fine first couple days kicked up sound then 1 day the battery had gone low so i took it off and charged it then wen i pushed the start button the starter just sounded like it was spinning ???????also what is the best and cheapest sprag clutch to buy incase itss that wots gone and any part numbers for me to get hold of 1 ??what is the bmw 1 i can get for replacement?? thanks in advance

Millemille · Jan 21, 2010

In my exsperience (i'm on my 3rd sprag) normally when the sprag goes when you start the bike it makes a grinding noise bit like the engine has chewed up a load of nuts and bolts haveing said that when my first sprag went it was just as you described, don't panic its really not that big a job, I finaly put the bmw sprag on mine about 3 months ago and its been good as gold.

bodien · Jan 21, 2010

thanks for the info guys i have asked am467 or sommit because he can get me a bmw sprag but how hard is it to do myself and where about is it i have to go on the bike regards chris p.s and is the bmw 1 a straight fit or does it have to be customized abit???

A303 · Jan 21, 2010

bodien said:
thanks for the info guys i have asked am467 or sommit because he can get me a bmw sprag but how hard is it to do myself and where about is it i have to go on the bike regards chris p.s and is the bmw 1 a straight fit or does it have to be customized abit???

Here you go mate, check out here
and
here.
Sprag is behind the flywheel on the left hand side of the bike (as you sit on it).
Not too big a job but helps if you at least know one end of a spanner from another.

Millemille · Jan 21, 2010

So long as you have the right tools it really isn't a hard job, I had zero mechanical knowledge when mine went but after alot of help and advice from the guys on here and my now ex i'm pretty sure I could do it with my eyes closed.;-)

sprag clutch help

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