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Post by joneill4 on May 8, 2008 12:08:10 GMT -5
What parts do you have to change when you rebuild the stock forks? I can't make out the figure in the on-line manual.
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Post by stevec5000 on May 8, 2008 12:24:14 GMT -5
Usually just the seals and put in fresh fork oil but you might want to install better springs while you have them apart or change the spacer at the top if yours were sagging too much.
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Post by joneill4 on May 8, 2008 13:36:07 GMT -5
I'm pretty sure it has better springs already. It feels like that's all that's there though. Serious pogo stick effect at the worst times.
What actually does the shock absorbing on these forks? My KTM dirt bike forks must have 200 pieces inside.
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Post by stevec5000 on May 8, 2008 13:57:23 GMT -5
The damping is done by some oil that's forced through an orifice. There are only a few parts. You might want to look into doing the Minton mods. I did it on mine and it helped some.
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Post by joneill4 on May 8, 2008 14:29:50 GMT -5
When I search for Minton, all I get is this post. I searched all for the last 7000 days.
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Post by stevec5000 on May 8, 2008 15:30:37 GMT -5
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Post by joneill4 on May 8, 2008 18:48:16 GMT -5
Thanks Steve. I could swear that I'd seen something about minton mods on this site, but I guess not. I got a coupla questions though.
Are the forks identical between the SR and the XS?
Have you tried the YZ seals on your SR?
I saw on another thread that caferacercarl recommends welding one of the holes closed, but the article recommends drilling more holes. How do you feel?
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Post by stevec5000 on May 8, 2008 18:53:42 GMT -5
Forks look about the same as far as I can tell. There is a version of that for the SR500 somewhere but I couldn't find it. Everything looks the same except for engine specific and carb paragraphs though. I haven't tried YZ seals, just regular ones. I did get some last time that were supposed to be "floating" but don't recommend them since they are starting to leak already after just a couple hundred miles. If you drill the holes out the ride will be softer I think but it depends on what kind of oil you use. Weld up the holes and the forks will be stiffer if the oil can't flow as easily. I like it better after drilling them out.
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Post by aero on May 9, 2008 5:18:57 GMT -5
The SR500 forks are the same as the 1977 on XS650 ones. Not sure about the springs. I have bought some cartridge emulators sold for the XS650 for my current SR project bike. They fit straight in but can't tell you want effect they have as the bike is in deep build at the mo. I always put a couple of tack welds on the seem of that spacer and make sure the metal pads that sit on top of the springs are still in there. I use 5 weight oil with standard forks. Its perfect if the bike is ridden without a pillion, damping is a bit lacking with two. I'm working out a way to adjust the preload. I know you can buy fork caps with adjusters, but they are crap (only 3 positions). I want to machine up some fork caps in ally with a threaded adjuster. I was thinking that a 2mm pitch thread would give useful adjustment. I took the fork caps off my Triumph Daytona and thats how they get the adjustment. New springs everytime, 25 year old springs seem ok, untill you try new ones  |
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Post by StewRoss on May 9, 2008 6:38:07 GMT -5
Here's some screw-in ones from Daytona and another company that I can't recall now...they're from Japan and are made to suit the 750/900 Honda. The Daytona ones are air caps as well... I imagine they'd be available for the SRs as well...otherwise it might give you some design ideas.   SR  |
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