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AnDy7
11-05-2009, 11:45 AM
I just bought a stage 2 hotcam and i am wondering if it is necessary to get a aftermarket cam chain?
AJG400
11-05-2009, 12:32 PM
id put a crf450 chain in it just for insurance and check ur tensioner to make sure its good. got my chain off ebay for 26 shipped
TRXRacer1
11-05-2009, 12:36 PM
Originally posted by AnDy7
I just bought a stage 2 hotcam and i am wondering if it is necessary to get a aftermarket cam chain? Necessary? Only if your current one is worn out.
togup
11-05-2009, 01:27 PM
it is if your old one is wore out, the cam chain is down deep in the crank case you at least have to take off tensioner, the right side case cover which has the supply and return oil lines and the clutch cable just to get to it and then you have to fish the new one in unless you take off the head and jug + about 60-80 $ in gaskets.


To check your chain for wear take it off and compare it to new one,sounds like alot of trouble doesnt it.
katch26
11-05-2009, 01:32 PM
Id only replace if it was worn BUT if you were down there anyways (ex. piston change) I would do it for piece of mind.
TRXRacer1
11-05-2009, 01:38 PM
Originally posted by togup
it is if your old one is wore out, the cam chain is down deep in the crank case you at least have to take off tensioner, the right side case cover which has the supply and return oil lines and the clutch cable just to get to it and then you have to fish the new one in unless you take off the head and jug + about 60-80 $ in gaskets. Should never have to take the head off to change a timing chain. At most the rocker box and clutch side cover. You only need 2 gaskets to do the job that costs less then $15 total from Honda ($20 if you don't shop around).
AnDy7
11-05-2009, 10:46 PM
Well i don't think mine is worn but i will check it out anyway. Thanks for all the replys!
speedfreek
11-06-2009, 05:17 PM
Originally posted by AJG400
id put a crf450 chain in it just for insurance Why?
rocky_mtn_honda
11-06-2009, 05:20 PM
Originally posted by speedfreek
Why?
probably because its $35, and ten times stronger...thats cheap insurance!
speedfreek
11-07-2009, 09:36 AM
Originally posted by rocky_mtn_honda
probably because its $35, and ten times stronger...thats cheap insurance! I did not know that they had a H-D chain and a regular one. That's a new one on me, thanks.

Wish I would have known this before. I just changed my cam in my 450! And probably bought the cheap one.
rt20ps
11-07-2009, 09:53 AM
The stock 450 chain in the 450 is fine. You can use a CRF450 chain in the 400ex for a cheap upgrade.