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June 5th, 2015, 05:13 AM   #11
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Originally Posted by HeimirBardason View Post
Bushmechanic.
Any idea why Mr. Gustavson and his friends designed it this way ??

>the "typical" Husaberg noise occurs because the cam chain is not driven from a sprocket mounted directly on the crank <

Heimir Bardason
i think it is out of necessity more than anything else

like james wrote the intermediate shaft is needed to drive the balancer since it runs on the crank but in opposite direction

then the whole intermediate shaft unit was in the way of a conventional crank driven chain so they ran the chain off the intermediate shaft
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June 7th, 2015, 06:06 AM   #12
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Thanks for taking the time to answer ,Bushmecanic.

I have sometimes wondered if the balancer driven on the crankshaft in the opposite direction is a good Swedish brainstorm or not ?
My old 2001 FC 550 feels light but if itīs due to this mecanical feature or that the bike is 110 kg (with no fuel) I sincerely donīt know.

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eimir Bardason
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June 7th, 2015, 04:28 PM   #13
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hi Heimir

i removed my balancer unit and then added weight to the crank which should make the bike handle different ..... I couldn't notice any real difference but there was a week between tests. I could probably have noticed a difference if the test was 30 seconds apart.

there are some sumo test results posted up here somewhere where the riders preferred bike handling with the balancer installed in blind tests.

my thoughts are that the balancer is itself so tiny that it is very easy to reduce the mass moment of intertia of the crank by a lot more than the balancer unit does.
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