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FJR Motorcycle Forums
Technical & Mechanical Problems
Wobbles tun to tank slapper!
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<blockquote data-quote="burnergold2B" data-source="post: 289679" data-attributes="member: 3777"><p>You can put a steering dampner on it if you want to. Try a Scotts unit. Check your tire pressure first and see if it's lower than 40psi. I just bought an '04 from Jimmy B (thanks again Jim!) and found the decel wobble. Jim had told me he wasn't sure what pressures were in the tires as it had been sitting since he bought his G'wing, sometime last year. Brand new Avon STs with less than 40 psi will produce this wobble on decel. I got home, aired tires up to 40 PSI, and voila!</p><p></p><p>It seems the front/rear balance on the FJR is more to the front, I'll wager it's around 52/48. This means that running low air in the front tire actually changes that balance even more as the front will sit a little bit lower, compounding the wobble feel as you have also removed rigidity from the tire's sidewall which is another aspect of your suspension not too many folks speak to. Whitehorse Press catalogs sells a great dial pressure gauge from AccuGage for like $20. Tire pressure monitoring is a habit I picked up in roadracing that is actually one of the cheapest maintenance/performance things we can do ourselves.</p></blockquote><p></p>
[QUOTE="burnergold2B, post: 289679, member: 3777"] You can put a steering dampner on it if you want to. Try a Scotts unit. Check your tire pressure first and see if it's lower than 40psi. I just bought an '04 from Jimmy B (thanks again Jim!) and found the decel wobble. Jim had told me he wasn't sure what pressures were in the tires as it had been sitting since he bought his G'wing, sometime last year. Brand new Avon STs with less than 40 psi will produce this wobble on decel. I got home, aired tires up to 40 PSI, and voila! It seems the front/rear balance on the FJR is more to the front, I'll wager it's around 52/48. This means that running low air in the front tire actually changes that balance even more as the front will sit a little bit lower, compounding the wobble feel as you have also removed rigidity from the tire's sidewall which is another aspect of your suspension not too many folks speak to. Whitehorse Press catalogs sells a great dial pressure gauge from AccuGage for like $20. Tire pressure monitoring is a habit I picked up in roadracing that is actually one of the cheapest maintenance/performance things we can do ourselves. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Wobbles tun to tank slapper!
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