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Flywheel Weights 247, 307, 309 Etc


smokey125
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Seeing as there are lots of questions about flywheel weights has anybody got a 247, 307, 309 etc with a full set of flywheel weights? I would like to know what the size and weight of the small weight is? The manual gives figures for them in Kg cm² which is not very helpful!

There should be four options. Rotor on its own, rotor + small weight, rotor + big weight and rotor + small weight + big weight. I’ve got the big weight but would like to have a bit of a play and would love to know what the original options are. 

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  • 2 weeks later...

Mine has just the outer ring bolted on.

 

I have only ridden the bike round the yard to see how it runs then tore it apart. I will probably take the weight off during the rebuild as I hate heavy flywheels!

 

I presume this is the big weight?

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Mine has just the outer ring bolted on.

I have only ridden the bike round the yard to see how it runs then tore it apart. I will probably take the weight off during the rebuild as I hate heavy flywheels!

I presume this is the big weight?

Yes that's the big weight the picture is from the Fantic manual.

post-16373-0-24685400-1457773175_thumb.jpg

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Steve, after the various threads on forum about flywheel weights I was interested in trying all the combinations except the heaviest one with both weights.

The more I think about the way the bike feels the more I think it would be better without the weight, but a lot of the events close to me are real mud pluggers so I could see me swapping weights depending on venue. It's just about experimenting at this point.

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