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post #1 of 4 (permalink) Old 12-17-2018, 02:28 AM Thread Starter
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Good day all. Would just like to find out. What can I do when the gear on my intake cam has shifted. How can I find out what is the original position. Ltz 400. Thanks
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post #2 of 4 (permalink) Old 12-17-2018, 12:45 PM
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Itll shift somewhat with cam chain stretch. Not much though. If its off by a tooth or more, the chain has most likely reached the end of its serviceable life and jumped the sprocket teeth or it wasnt installed correctly in the first place. The proper indexing for the stock intake cam sprocket is #3 on top, #2 points to #3 on the stock exhaust cam sprocket, and #1 points straight down.
If you pull the center bolt and spring out of the chain tensioner (assuming you have the stock one), and then carefully remove the tensioner, you can then pull the tensioner to the end of its travel, counting the clicks until full extension. That will give you a pretty good indication of how much life the chain has left. Usually 2 clicks or less and the chain should be replaced.
If you did jump the chain, and the cam sprocket does not index correctly, you should probably either do a leak down test to verify your valve seats are in good shape, or remove the head to check for cylinder and combustion chamber damage.

2006 LTZ400
Cylinder Works 434 bbk
Vertex forged piston
Ferrea valves
DRZ-E valve springs
DRZ base gasket & flywheel
Hotcams Stage 2 cams
Yoshimura full exhaust
YFZ450 FCR 39, Uni filter, no lid, 400EX intake
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post #3 of 4 (permalink) Old 12-18-2018, 03:46 PM
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If they are hotcams and the gear has shifted, you can send them in to be reset...

2007 LTZ 400.. 94mm J&E piston, +4mm hotrods crank, 536webb cams,wiseco valves, 39mm fcr, tokyo mods throttle spring, honda thumb throttle,spring removed. yoshimura full exhaust, honda 400ex intake tube, no air box
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post #4 of 4 (permalink) Old 12-19-2018, 09:36 AM
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Originally Posted by amcf18 View Post
If they are hotcams and the gear has shifted, you can send them in to be reset...


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