Honda Spree and Elite 50 Forums

What are the green springs rated for on the polini clutch?

Trafficjamz wrote:What are the green springs rated for on the polini clutch?

Check on DayWOT ebay site - says green 2K over stock springs

If your using a scorp pipe and corsa get the yellows or the heavy blues

kingkamehameha wrote:If your using a scorp pipe and corsa get the yellows or the heavy blues

You don't always have to use stiff clutch springs. The stiffer you go on the clutch shoe springs, the heavier you have to go on the center spring. There is a point where you can only go so light on the rollers to compensate to find the happy medium on the trans tune. Plus to using to stiff springs will burn up the clutch pads .after a that the pads won't grab as good so your loosing a lot of your power to clutch slip. The stiffer the springs are in the back,the hotter everything gets in the trans and more prone to things wearing and breaking. Why you think a lot of guys in hawaii break or crack the rear pulley alot.?they all run the same setup with those 3k or 4k clutch shoe springs with 2k center springs.Those really stiff spring are more for circuit racing so the rpms stay up more when your going into the corner after braking. They are not ment for street riding.

Baka ive never used any springs other than the naturals. I ony reccomended the yellows or blues because tj does alot of drag racing. How do the naturals perform on a mhr bore set up like the one im gonna run? I plan on using a pg long or short

depends what rpm the clutch grabs at.every clucth or different brand clutches have different weight clutch arms. some heavy some light so rpm clutch engagement will vari.

Stock clutch

kingkamehameha wrote:Stock clutch

Even stock ones are different weight. The 99-01 clutches are even lighter so the only way is to check weight by weighing them or by tach at what rpm it engages at. For street a 6k engagement is good and 1k center spring.

The polini clutch the speed clutch with the three shoe design. It will be used for drag racing.

I am talking about the green springs that came with it. What is the RPM range of the springs?

bakaracer wrote:

kingkamehameha wrote:Stock clutch

Even stock ones are different weight. The 99-01 clutches are even lighter so the only way is to check weight by weighing them or by tach at what rpm it engages at. For street a 6k engagement is good and 1k center spring.

My apologies if this is a stupid question but when you say 6k engagement, does that mean the clutch won't start to grab until 6,000rpm, or it will slip before 6,000rpm, and then right around 6,000 it will be fully engaged?

at 6k there is enough centrifical force pushing the shoes out to make contact with the bell (i know i cant spell)

Yes the locals do overkill on clutches, i have a simple formula that works

maddog wrote:Yes the locals do overkill on clutches, i have a simple formula that works

Whats this formula maddog?

Just reading the older threads and came accross one of Maddogs bait for me to bite on. Flawless execution as usual dog.