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Author Topic: Honda Twin Valve Adjustment!  (Read 11172 times)

Offline CBnewB

  • Posts: 53
Re: Honda Twin Valve Adjustment!
« Reply #10 on: Jul 03, 2013, 09:37:56 »
I  would like to see your vid of the valves adj. if you still have it.  I want to do mine

Offline truedevil

  • Posts: 6
Re: Honda Twin Valve Adjustment!
« Reply #11 on: Sep 05, 2013, 14:41:21 »
bringing this to the top for the last poster.

You just need to unbolt the 4 large caps on the top part of the engine, open the Honda cover on the crankcase, and move it to T (TDC). Then look at which of the cylinders is loosest, and that's the one you adjust.

Next, spin 360 degrees and back on to T, and adjust the other side.

To adjust the valves you'll need a feeler gauge (I believe .002" gap is required) and some wrenches to free up the holder nut, and a flat screwdriver to adjust the valve screw.

Easy-peasy!

George

Offline frankxedge

  • Posts: 48
Re: Honda Twin Valve Adjustment!
« Reply #12 on: Jun 06, 2014, 01:22:59 »
Thanks for sharing!
1974 Honda Cl450

Offline Jonas

  • Posts: 11
Re: Honda Twin Valve Adjustment!
« Reply #13 on: Aug 07, 2014, 23:42:32 »
Just did this process today by my manual and figured I'd attach a couple numbers to the thread.

TDC is found by turning the rotor until the intake valve goes down, then continuing to turn it until you reach the LT mark (it's hard to hold the rotor in place exactly at that spot, so I think it's fine to let it turn the extra 20 degrees that it wants to turn). Once valves on the left are adjusted, turn rotor 180 degrees (to T) and adjust.

Intake valve: 0.05mm
Exhaust valve: 0.1mm

Watch out because when you adjust the valves (inside the timing and tach covers), your adjustments can slide when you retighten the locking bolts.

Hope this helps a little.

Offline chucklump

  • Posts: 227
Re: Honda Twin Valve Adjustment!
« Reply #14 on: Apr 04, 2015, 20:27:59 »
What happened to the video?

Offline Ryan Stecken

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  • Posts: 1836
Re: Honda Twin Valve Adjustment!
« Reply #15 on: Apr 04, 2015, 21:23:58 »
Hey what a good idea to make a video.is it still around on youtube or smthing?

Offline chucklump

  • Posts: 227
Re: Honda Twin Valve Adjustment!
« Reply #16 on: Apr 10, 2015, 23:04:31 »
No it got deleted.