erixx Posted May 27, 2003 Share Posted May 27, 2003 Hi, just got my hyperpro front and rear progressive springs. (blue color for us squidies hehe) They are a lot harder then the original. I'd like to know if i should do any other jobs now that i'm replacing springs. I already have increased preload front and rear. Carlos said somthing about bigger holes in front valves... Should i look after that (stock valves)? The Hyperpro fork oil is 2.5. I believe now i have a SAE 15.... woah!... What are your thoughts about hard springs and soft oil? :cool: Quote Link to comment Share on other sites More sharing options...
Northman Posted May 28, 2003 Share Posted May 28, 2003 If you aren't replacing the valves, then stick with the stock oil viscosity. You'll get a "swishing" noise from the forks if you use too thin of an oil. The aftermarket valves are made for thinner oil, but the factory valves seem to work better with something around the stock 10W. Quote Link to comment Share on other sites More sharing options...
erixx Posted May 28, 2003 Author Share Posted May 28, 2003 just came back from the shop. Indeed, there's a slurping noise if you move the front end up and down! I tested on some bumps at differente speeds and first impression is very good: solid but a bit more glued to the road. Under hard braking (stoppie style) there's no way to fully compress these springs! Quote Link to comment Share on other sites More sharing options...
erixx Posted May 28, 2003 Author Share Posted May 28, 2003 btw, saturday is my trackday, i'll wait till then to write a review. Quote Link to comment Share on other sites More sharing options...
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