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hillbillyjr
02-22-2007, 08:28 AM
how hard is it to change a cam chain tensioner in a 99 400ex, what is involved in doin so

400exrider707
02-22-2007, 08:36 AM
Originally posted by hillbillyjr
how hard is it to change a cam chain tensioner in a 99 400ex, what is involved in doin so

two bolts. Take it off. Take the new one, back off the tension with a flat blade screwdriver. Bolt it back on, then let the tension go. Cake

speedphreake
02-22-2007, 08:43 AM
400 is right, easy... to add to it, there is a phillips head screw with an O ring on it that covers the tesion screw you need to back off when putting in the new one. Only the 2 8mm bolts need to come off to remove the tensioner.

hillbillyjr
02-22-2007, 08:44 AM
so the engine doesn't have to be takin apart or anything, and what to you mean by taking the new one off tension. thanx for the reply

hillbillyjr
02-22-2007, 08:46 AM
thanxs guys i really appreciate it

400exrider707
02-22-2007, 09:00 AM
Yep its right on the backside of the motor externally, on the left side if your sitting on it. You will see the phillips cap that covers the tensioner part. You take that phillips cap off and there is a screw inside. You use your flat blade screwdriver and turn it. Should only turn one way, and that is taking the tension off. Its kinda tricky to put back on because you need to hold the tension off with one hand and use the other to secure the two 8mm bolts. Youll see