[300ex valve springs] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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300ex valve springs
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Posted by: alexmx22

does anybody know how to change the valve springs on a 300ex( i need detailed instructions)

Posted by: Cody_300ex

Try a repair manual, work wonders.

Posted by: alexmx22

if i had one i wouldnt be asking

Posted by: Cody_300ex

quote:
Originally posted by alexmx22
if i had one i wouldnt be asking

Buy one, about 15 bucks.

Posted by: Sjorge300EX

and yeah walmart.com sells them for the 300ex. Just go to search and type in quad or atv. You need a special tool to do it also.

Posted by: Cody_300ex

quote:
Originally posted by Sjorge300EX
and yeah walmart.com sells them for the 300ex. Just go to search and type in quad or atv. You need a special tool to do it also.

Valve spring compresser, altho with stock valves my dad put a pair of pliers on there and pushed as hard as he could while I got the holders.

Posted by: alexmx22

thoes "holders" are called retainers or keepers

Posted by: Ineedaex00

You need to purchase or borrow a giant c-clamp. Get 2 1" nuts and weld them together, cut out the side of each nut and get a little pen like magnet. Put the nuts on top of the spring retainer and clamp them down. Make sure when you clamp it down that you are still able to get at the keepers. Use the magnet to fish them out. Loosen up the clamp and do the opposite when you reinstall the retainers.

Posted by: alexmx22

thanks

Posted by: Cody_300ex

quote:
Originally posted by alexmx22
thoes "holders" are called retainers or keepers

Well, almighty engine lord I am sorry I did not use the correct terminology.