OzVMX Forum
Marque Remarks => Yamaha => Topic started by: r4brightred on January 03, 2017, 04:40:23 am
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After six years of procrastinating I'm finally going to upgrade my suspension. I bought a set of forks off of a YZ250A. They were in rough shape. I have the tubes back after getting them straightened and re-chromed. I've sanded the lowers and have them just about ready for clearcoat. I ordered new Race Tech springs that should arrive this week. I picked up a set of 1975 triples. They will work better for mounting my radiator versus using parts from a 1974. I'm currently coming up with a plan for a front wheel. I'll share some pictures as I make progress. Happy New Year!
(http://i660.photobucket.com/albums/uu322/rustrunner/untitled.png) (http://s660.photobucket.com/user/rustrunner/media/untitled.png.html)
(http://i660.photobucket.com/albums/uu322/rustrunner/101_7128.jpg) (http://s660.photobucket.com/user/rustrunner/media/101_7128.jpg.html)
(http://i660.photobucket.com/albums/uu322/rustrunner/101_7130.jpg) (http://s660.photobucket.com/user/rustrunner/media/101_7130.jpg.html)
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can I ask the obvious? why not respring and gold valve the std forks?
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I disliked my forks on my YZ 250 so much I fitted a set of Ceriani's. I can still remember trying to turn that bike with the bars hard on my leg and the bike still going straight ahead.
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The stock forks are 30mm. In my opinion they are a poor excuse for motocross forks and are not worth any attempt at an enhancement. I think these forks that I'm building will be a major improvement. Time will tell.
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I'm making progress. I picked up a rim off ebay. I've taken apart a complete mudcatcher wheel, and am going to use the spokes and hub. Today I sandblasted and painted the triples and the hub. I'm halfway done polishing the spokes. The rim had a lot of imperfections but no cracks or flat spots. I sanded it starting with 220 grit and finishing with 800. Then I polished it with mag wheel polish. It came out pretty good. Not show quality, but it doesn't need to be for a race bike.
(http://imagizer.imageshack.us/v2/xq90/921/ToKb3B.jpg) (https://imageshack.com/i/plToKb3Bj)
(http://imagizer.imageshack.us/v2/xq90/924/mogizq.jpg) (https://imageshack.com/i/pomogizqj)
(http://imagizer.imageshack.us/v2/xq90/923/ECJwjH.jpg) (https://imageshack.com/i/pnECJwjHj)
(http://imagizer.imageshack.us/v2/xq90/922/w2t216.jpg) (https://imageshack.com/i/pmw2t216j)
(http://imagizer.imageshack.us/v2/xq90/921/fBc0pl.jpg) (https://imageshack.com/i/plfBc0plj)
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a YZ 125A - "mounting a radiator" - please explain :)
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a YZ 125A - "mounting a radiator" - please explain :)
You just beat me to that question
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I'm running a Shinobi water cooled head on my bike.
(http://imagizer.imageshack.us/v2/xq90/921/zzSLJh.jpg) (https://imageshack.com/i/plzzSLJhj)
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oooh - nice :)
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even I knew it was a shinobi.... ;D
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Looks great 8)
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It's taken me until today to get the new forks and wheel completed and installed. I hope the expense and bullshit I've had to deal with will have been worth it. I think I'm going to find some foam and zip tie it on the lowers to add some level of protection. The lowers are awfully thin.
Next year I think I'll upgrade the shocks.
(http://i660.photobucket.com/albums/uu322/rustrunner/101_7208.jpg) (http://s660.photobucket.com/user/rustrunner/media/101_7208.jpg.html)
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That's a fantastic little YZ !
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What length shocks are you running? I switched to 345mm shocks with 34mm front forks and it made a huge difference on mine.
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I'm running 13" shocks. Next year I'm going to switch to 13.5". I raced at Unadilla a few weeks ago and it was nice not bottoming out the front end over every jump.