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Message started by Redryder652 on 10/27/16 at 14:02:35

Title: Engine rattle at cold start
Post by Redryder652 on 10/27/16 at 14:02:35

My bike makes a rattle, only at startup for about two seconds and then goes away. This only happens at cold start, if I start it after its warmed, there's no noise, should I be worried about this? Also, I used to run a motorcycle oil stabilizer, and I never got that rattle.

Thanks, RedRyder

Title: Re: Engine rattle at child start
Post by Rodger on 10/27/16 at 14:53:36

When you start it up, is it on the sidestand? The Savage gurus here recommend having the bike upright, since the cam lobes run in an oil "bathtub" and running engine while on the sidestand might starve the cam for oil.

Title: Re: Engine rattle at child start
Post by Redryder652 on 10/27/16 at 15:12:12


2C2234363E38335B0 wrote:
When you start it up, is it on the sidestand? The Savage gurus here recommend having the bike upright, since the cam lobes run in an oil "bathtub" and running engine while on the sidestand might starve the cam for oil.


Rodger, no, when I start it up I put a brick under the kickstand, so it's just about vertical. I have read about side stand running, and since then I don't do it.

Title: Re: Engine rattle at child start
Post by Mr.T on 10/27/16 at 15:37:10

It may be the bendix on the starter motor hitting the starter gear. If so, it would be worth removing it and cleaning it up.

Title: Re: Engine rattle at cold start
Post by Kris01 on 10/27/16 at 18:16:44

Are you sure it's the engine? The speedo tends to rattle. A cold engine is not running very well for a few seconds and may shake the bike causing something else to rattle.

Title: Re: Engine rattle at child start
Post by Dave on 10/28/16 at 03:19:44


5C616D7A666D71080 wrote:
It may be the bendix on the starter motor hitting the starter gear. If so, it would be worth removing it and cleaning it up.


There is not a "Bendix" on the starter.  There is a large gear on the crankshaft that has a roller clutch....nothing in the system would rattle.

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