After reading the latest article in ACM about suspension i'm none the wiser. Now i've been riding for around 5yrs and are interested in doing some training / track day rides. I have a 09 Gsxr750 and was wondering what sort of adjustments , if any should be done to the suspension. I'm 100kg's and hear that they are sprung for a 80-90kg person from the factory. Is this gossple or crap.
Any thoughts or oppions
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Rapid Bikes Online Community Forums |
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kezza69
offlineMemberPosted 1 year ago # -
For the most part the telling people that bikes are sprung for the 75 kilo band of rider is not crap; but it is a generalisation nevertheless! Largely cause it is very difficult to explain just how it all works to Joe Public with each and every scenario (almost) being different. Add to this the general rider/public's non-comprehension of how anything damper-related actually works and well, it is not hard to see that in the information age where nobody wants to wait to understand or learn a thing and wants it all yesterday, that is going to attract simplification from those that only half-know what is going on! Once people start making over-simplifications about stuff confusion always occurs!
No doubt you'll be wanting a subjective/personal response here; so yes you will likely end up needing springs for your 100 kilos on a 750 like you have; but not as much as it would seem as your fork will still cope with the springs it has, which are not that light - not when you compare them to bikes of 10 years back - the room to cope with many body masses has increased with recent Showa fork designs.
No, I would imagine your first "point of problem" or call for adjustment will be with the rear-end's setting. Changing the spring alone will do some good of course if not too far in one direction, so do that or get a better shock there with all the problems solved at once?!
So in short, yes to shock spring, no to fork springs, that much... ;)
Posted 1 year ago # -
Ed
offlineAdministratorThat story in question was one of the worst I've read about suspension...
Posted 1 year ago # -
I'll admit that although I've been riding for some years I know very little about suspension adustment. I'll fiddle with the settings and try different things but it would be great to learn why an adjustment affects certain movements and what it means to other areas of the suspension. Many fellow riders can feel certain reactions from their bikes but don't know what adjustment needs to be made to correct it. If your listening Ed, this would be a great area to cover in workshop!!
Posted 1 year ago # -
playswithnitro
offlineModeratorBloody good idea. When we can get Jeff's attention away from Gixer 750s, we'll have a chat about it.
Posted 1 year ago # -
check out the vidos at OTT: http://www.onthethrottle.com/tag/dave-moss/
there is also a series with Dave Moss called "Two Clicks Out" where you can see him tune different racers suspension, see the process etc. helped me to start to get my head around it.or if you really wanna understand the technical aspects have a look at this book: http://www.amazon.com/Sportbike-Suspension-Tuning-Andrew-Trevitt/dp/1893618455/ref=sr_1_1?ie=UTF8&s=books&qid=1280544450&sr=8-1i read through. now i gotta read it again to understand it all. hahaPosted 1 year ago # -
playswithnitro
offlineModeratorI'm sure he'll share his findings.
Remember that Jeff is a little bit heavier than the average rider. Still not quite a full-sized bloke but getting there.
Posted 1 year ago # -
Yeah true. I guess bodybuilding and sports riding aren't the most common or helpful combination either. But I'm not gonna stop either! I am a bit spoilt as well having a GSX-R600 as my first bike and have never been without a sportsbike for more than 6 months or so.
Posted 1 year ago # -
playswithnitro
offlineModeratorMy first racebike had drum brakes, ha ha
Posted 1 year ago #
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