Author Topic: 87 kx250 fork tube replacement  (Read 1634 times)

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Offline Shane Rad-dog

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87 kx250 fork tube replacement
« on: September 29, 2021, 11:08:20 PM »
Hi guys i have an 87 that has rust on the fork tubes but have found a set of 43mm Kayaba forks off a rm250 .  Will the internals and inner tubes fit in the kx outers as the axle mount etc is different .

Cheers Shane

Offline KXDINO

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Re: 87 kx250 fork tube replacement
« Reply #1 on: October 01, 2021, 08:55:40 AM »
Get them rechromed

Offline Shane Rad-dog

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Re: 87 kx250 fork tube replacement
« Reply #2 on: November 21, 2021, 12:36:27 AM »
Hey mate im on the west coast of Aus and would have to send them over east as nobody over here rechromes them ..  I can get some 43mm Rm forks so i thought the tubes mite be an easy swap .

Offline KXDINO

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Re: 87 kx250 fork tube replacement
« Reply #3 on: November 23, 2021, 07:03:16 AM »
mAKE sure you compare them as there can be differances in length and were the bushes are placed , i say you have to change the lugs over to , you have to un screw the lock bolt that holds the lug and tube together , get the correct tool and heat up that area it should screw out than you need the tool to turn the tube while the lug is held in a vice and apply heat around the lug to soften the locktite and should unscrew , if you dont do these steps it will destroy the thread inside.check the rm forks for size along the length of the tube , no use doing all this if there worn , thats why some forks go thru seals regularly , as well as striped looking marks down the length of tube , dull patches and rust specs.Need to be rechrome.I use radchrome in brisbane to rechrome tubes for my customers.

Offline Shane Rad-dog

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Re: 87 kx250 fork tube replacement
« Reply #4 on: November 23, 2021, 10:57:01 PM »
Cheers mate , i can get hold of a set of 88 forks so that will probably be the easies solution , saves getting gold valves as they already have cartridges installed . Ta for your help :-)