MontyTim348 Posted June 13, 2011 Report Share Posted June 13, 2011 Mine's failed on my 2008 280 pro. Has anyone identified the seal and managed to buy it from a seal / bearing outlet at the fraction of the Gas Gas price ? if not and I have to buy from Gas Gas, is it worth buying the whole kit or just trying the seal first ? When it's all done and I put the new oil in, I suspect it will get itself contaminated from the lot I have drained out ( there's bound to be some left ) is there a product I should use to flush it out, I've heard people mention diesel, but I'm concerned that may attack the seals. Quote Link to comment Share on other sites More sharing options...
1oldbanjo Posted June 13, 2011 Report Share Posted June 13, 2011 When it's all done and I put the new oil in, I suspect it will get itself contaminated from the lot I have drained out ( there's bound to be some left ) is there a product I should use to flush it out, I've heard people mention diesel, but I'm concerned that may attack the seals. I have no problem flushing with diesel fuel.....it is oil.....and the seals are oil seals. After flushing I would add the regular oil and ride it for a bit - then drain it and refill with new oil. Quote Link to comment Share on other sites More sharing options...
charliechitlins Posted June 13, 2011 Report Share Posted June 13, 2011 Buy the kit. When you take it apart, you'll likely notice that the shaft is grooved. Kinda hard to believe that a rubber seal can wipe out a hardened steel shaft, but there ya have it. Make sure you use motorcycle coolant that says non-abrasive. While you're there, you might want to replace the clutch slave cylinder o-rings. No telling what the coolant in the case has done to them, and it's cheap and easy to replace them. I just did it. Quote Link to comment Share on other sites More sharing options...
MontyTim348 Posted June 14, 2011 Author Report Share Posted June 14, 2011 Thanks for your advice, I'll take it apart and inspect it, looks like a kit will be the best option. Quote Link to comment Share on other sites More sharing options...
charliechitlins Posted June 14, 2011 Report Share Posted June 14, 2011 Purpose-made seals seem shockingly expensive, eh? Some fork seals are crazy. Quote Link to comment Share on other sites More sharing options...
sting32 Posted June 17, 2011 Report Share Posted June 17, 2011 Thanks for your advice, I'll take it apart and inspect it, looks like a kit will be the best option. Quote Link to comment Share on other sites More sharing options...
charliechitlins Posted June 17, 2011 Report Share Posted June 17, 2011 Not sure what fork seal grease is, but these rubber parts can be very picky about contaminants. Clean everything to spotless...including your hands...before assembly. I use a silicone-based assembly lube. Quote Link to comment Share on other sites More sharing options...
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