95 XR600 Fork Spring Question


6 replies to this topic
  • Dhay

Posted February 09, 2007 - 07:36 PM

#1

Hey Guys & Gals if present,
I got a question on the front fork springs on my Bros XR600. The previous owner had dicked with the spring rate, he was around 300 lbs. :ride: He went to heavier spring rates and added a 4" piece of PVC for mondo preloading. My question is, did the stock fork spring set up consist of two fork springs, one long and one short. :censored: The reason I am asking is because now there is only one spring and this damn PVC pipe. The damn bike looked like a chopper with all the preload and was not balanced front to rear at all. Any help on this matter would be greatly appreciated.

thanks,

Dano #13 Masters :lol:

  • bork

Posted February 09, 2007 - 08:24 PM

#2

Hehehe, that guy must be my twin. I still have the stock ones & only have one piece. I had to use the beefy ones with long spacer also.

  • creeky

Posted February 10, 2007 - 06:05 AM

#3

Up to and including the '90 model XR600R, the fork spring consists of two pieces, one long one measured at 577mm (22.717") and a short one at 62mm (2.441"), measure unloaded. After '90, a single spring is used, unloaded length 570mm (22.441"). Although it doesn't work as well as a spring of the proper rate, it is pretty common for heavier riders to use the PVC pipe spacers to stiffen the front end. If you weigh much over 175-180# with riding gear on, the stock spring is not quite up to the task.

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  • Dhay

Posted February 10, 2007 - 08:12 AM

#4

Creeky & Bork,
Excellent guys, thanks for the info. I think if I cut the PVC back to about 1/3 of the original, I should be pretty close. XR's, The Pocket Watch of the Trailbikes, takes a licken and keep on ticken!

thanks,

Dano

  • bork

Posted February 10, 2007 - 12:17 PM

#5

How much do you weigh? If he has heavier springs, shortening spacer will help a little but the spring will still have a different rate. Also the oil viscosity is a factor.I run ATF for cars, as I heard it was approx 10wt opposed to 5-7 wt for stock oil.

  • Dhay

Posted February 11, 2007 - 01:00 PM

#6

Bork,
Thanks for the info. I have one more question, what is the oil level on the forks when servicing? Is it around 5 inches down from the top of the fork like most of the other models?

thanks,

Dano

  • bork

Posted February 11, 2007 - 04:15 PM

#7

I cant remember, there is a range listed in the manual. I beleive I put my level on the high side cause of my figure.Hehe Do you have a service manual?





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