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Fork oil


bshultz0930

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i think its a terrible idea lol.

essentially what your doing is decreasing damping.

which will most likely result in a sloppy ride, bike will probably wallow

it will allow the suspension to top out or bottom out.

i would say definately bottom out under hard braking.

if it calls for 10w use 10w.. i dont think ive ever heard of anyone decreasing the weight in those style forks. usually they increase the weight to try to increase some damping.

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Just like motor oil, there is conventional and synthetic fork oil.

Does your ZX have fully adjustable suspension? I would stick to the 10wt. I would only go heavier (12.5 or 15) if you happen to weigh much over 200lbs or if you are tyring to solve a specific suspension weakness.

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In all seriousness though, if your book is calling for 10wt. You should probably stick with that. The only time you would change the oil for a different viscosity is if you are having problems with the damping on a non-adjustable fork. Then you would go up one oil grade to firm up the forks or down a grade to soften the forks. Going from 10 down to 5 is going two steps down and like others have said, it will change your fork performance by too much and is probably not recommended.

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Ok, well when my dumbass ordered the oil off eBay, the picture had a 10w bottle but deep in the description it was a 5w oil. Thankfully it was from summit racing and I don't live horribly far from there and they said I could just bring it in for exchange

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