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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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<blockquote data-quote="greg brillus" data-source="post: 75856" data-attributes="member: 597"><p>There is a lot of things to answer here.......Ok first Bruce......Yes the upper link was what I was looking at, and its movement over bumps whilst braking quite heavily was near locked in that position. I think some are confusing the movement of the bike itself verses the movement of the forks. Remember there is a huge visual difference from these forks over telescopics. I feel you can jack up the rear of the bike as much as you like, only you need to make allowances for extra slack in the drive chain. I along with other racers have done this simply to gain extra ground clearance, and even so, I still ground the lower corner of my primary cover whilst coming around turn 12 at Phillip Island which is a very fast corner. I am actually interested to know how many of you reading this actually have this modified stem kit on your bikes........? As there seems to be a lot of guessing and surmising as to the fore's and against's of it all. The one thing that it proves beyond any doubt is that there are plenty who would like to do "Something" about bad handling, or who are aiming for a better and generally "Softer ride" which is a good thing, but my only advice is, this is not like hotting up an engine, or putting larger carburetors on, where the results are generally "Known" it is a common thing that carrying out a supposed "Upgrade" can and often leads to disappointment often for reasons the owner chose himself based on the opinion's of others or what they read in a magazine. Suspension upgrades to Vincent motorcycles is nothing new, people have been trying to improve it for years. I have had the benefit of using at least one of these stem kits in the racer since 2014, for those who don't know, I have bought 9 of these kits so far. Does that tell you something........ Regarding Nigel's comments, if you change the seat to fully sprung, the comfort at the rear will improve greatly, though the spring rate at the rear may need changing to stronger springs. It is possible to stretch standard springs, but that's another story.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 75856, member: 597"] There is a lot of things to answer here.......Ok first Bruce......Yes the upper link was what I was looking at, and its movement over bumps whilst braking quite heavily was near locked in that position. I think some are confusing the movement of the bike itself verses the movement of the forks. Remember there is a huge visual difference from these forks over telescopics. I feel you can jack up the rear of the bike as much as you like, only you need to make allowances for extra slack in the drive chain. I along with other racers have done this simply to gain extra ground clearance, and even so, I still ground the lower corner of my primary cover whilst coming around turn 12 at Phillip Island which is a very fast corner. I am actually interested to know how many of you reading this actually have this modified stem kit on your bikes........? As there seems to be a lot of guessing and surmising as to the fore's and against's of it all. The one thing that it proves beyond any doubt is that there are plenty who would like to do "Something" about bad handling, or who are aiming for a better and generally "Softer ride" which is a good thing, but my only advice is, this is not like hotting up an engine, or putting larger carburetors on, where the results are generally "Known" it is a common thing that carrying out a supposed "Upgrade" can and often leads to disappointment often for reasons the owner chose himself based on the opinion's of others or what they read in a magazine. Suspension upgrades to Vincent motorcycles is nothing new, people have been trying to improve it for years. I have had the benefit of using at least one of these stem kits in the racer since 2014, for those who don't know, I have bought 9 of these kits so far. Does that tell you something........ Regarding Nigel's comments, if you change the seat to fully sprung, the comfort at the rear will improve greatly, though the spring rate at the rear may need changing to stronger springs. It is possible to stretch standard springs, but that's another story. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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