Flywheel - Kawasaki Versys Forum
 
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post #1 of 5 (permalink) Old 10-02-2014, 09:52 PM Thread Starter
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Question Flywheel

Has anyone ever installed a heavier flywheel in a Versys? I enjoy my new bike's willingness to rev, but find the buzzing vibration between 5 & 6k rpm quite annoying. Also, I've stalled the bike at intersections twice, something which I never did in 29 years and 245,000 miles on BMWs. Yes, the Beemers shift slowly and clunkily, but their trannies and clutches are very beefy (no doubt the source of the slower shifting).
Many riders have turned a high-strung motocrosser into a versatile enduro machine with the addition of a heavier flywheel, so it should work on a street bike. Any comments or info, folks?
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post #2 of 5 (permalink) Old 10-03-2014, 12:30 AM
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BMW trans suck! I had a perfectly good fully loaded 03' K1200 GT until the stupid trans went bad at 43K. Will never buy one again. Did it ever shift as good as a Japanese tranny? IMO - no!
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post #3 of 5 (permalink) Old 10-03-2014, 12:48 AM
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BMW trans suck! I had a perfectly good fully loaded 03' K1200 GT until the stupid trans went bad at 43K. Will never buy one again. Did it ever shift as good as a Japanese tranny? IMO - no!


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post #4 of 5 (permalink) Old 10-03-2014, 09:13 AM
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I have seen flywheel weights made for "taming" engines in some trials bikes. They require an extension to the side case to make room for the wider flywheel.

I don't know that adding weight to a V flywheel will change or eliminate your vibration issue, but it would make it more difficult to shift gears quickly, and it would slow the engines response overall. My '08 V tends to smooth out at anything above 5,000 rpms.

For me, the flywheel weight is just right in my V, and I tend not to like too light of flywheel, such as what I had in my '76 XS 650, which was way too light. Well actually it was too small of diameter, so it didn't have enough rotational inertia.
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post #5 of 5 (permalink) Old 10-03-2014, 09:53 AM
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I rode my '12 about 600 miles yesterday (to Dripping Springs and back to pick up a Corbin seat for my KLR) and didn't notice any vibration issues cruising at about 5,200 rpm. I don't think I have ever stalled the Versys.

Everything in the engine case is very tight. You might be able to lighten the flywheel but it would be hard to make it heavier unless you had one turned from something like depleted uranium.
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