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Valve Adjustment (Read 604 times)
Mr.Orange
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Valve Adjustment
08/15/12 at 20:06:04
 
Got TDC, adjusted valves to spec, and still get knocking. Whats up?
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verslagen1
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Re: Valve Adjustment
Reply #1 - 08/15/12 at 20:23:08
 
did you rotate the crank CW or CCW?

did you rotate to TDC on the compression stroke?
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Re: Valve Adjustment
Reply #2 - 08/15/12 at 20:49:35
 
 
Remember, there is a Clymer's rotation direction error in the Clymers manual.
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Savage_Rob
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Re: Valve Adjustment
Reply #3 - 08/16/12 at 14:39:38
 
verslagen1 wrote on 08/15/12 at 20:23:08:
did you rotate the crank CW or CCW?

did you rotate to TDC on the compression stroke?


Definitely a good thing to check.  TDCC is correct; TDCE is not.  I just pull the spark plug and insert a piece of wooden dowel; TDCC gives the least distance to the piston.  There's probably a better way but it works for me.
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Mr.Orange
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Re: Valve Adjustment
Reply #4 - 08/16/12 at 16:08:05
 
CCW. The rotation the tires move.
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Re: Valve Adjustment
Reply #5 - 08/22/12 at 19:54:39
 
Same here... "Ting ting ting ting" coming from the head region once the engine is warm. I gapped the valves (turning CCW and definitely TDCC based on valve movements and difficulty moving the breaker bar) put it all back together and.... No difference.

The bike is a 2007 with 8000 km on it. A friend has a 2004, but I haven't heard it running warm yet to compare.

Any ideas?

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Re: Valve Adjustment
Reply #6 - 08/23/12 at 14:49:43
 
A soft ticking sound of the valves is quite normal, if the engine gets hot. If you listen closely, the same sound is there when the engine is cold, but then not as loud as on a hot engine.

You can adjust them a bit closer if you can get a feeler gauge of 0,08mm, thats the minimum clearance.
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Re: Valve Adjustment
Reply #7 - 08/23/12 at 21:35:28
 
I'm hoping that the noise is normal, but until I can hear another engine for comparison, it's hard to know. You know?  Huh
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Re: Valve Adjustment
Reply #8 - 08/24/12 at 00:27:37
 
if you fix the cap and do not check valve clearances, what potentially could go wrong?
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LouSiana
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Re: Valve Adjustment
Reply #9 - 08/24/12 at 00:41:54
 
I know for sure! I have heard quite some Savage's around here and will hear a lot of them again this weekend. We are going to have a Motorbike party from our LS-forum in Germany Smiley... That won't help you, I know.
But don't be to anxious. "She" is not a glamour girl and if "she" got an arm with a hand, she would scratch her a** in public Wink

It is usual rising good audible tic's from the valves when hot, even if you wear a helmet.

If the rocker arm pads working on the lobes of the cam were worn out, that would generate nasty and awkward sounds even if the engine is cold.

Could you make a short video and post it on youtube? ...might help a lot!
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Re: Valve Adjustment
Reply #10 - 08/24/12 at 00:53:39
 
renegade1 wrote on 08/24/12 at 00:27:37:
if you fix the cap and do not check valve clearances, what potentially could go wrong?


normally... nothing! The valve clearance should not differ at all, but usually you should check it just to be sure. The position of the head cover cannot be moved, even in use of excessive amounts of sealing agent. This could block the oil gallery, a perfect catastrophy...
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Re: Valve Adjustment
Reply #11 - 09/03/12 at 18:14:17
 
I just (re)-checked the valves on my 03, and it's the same.  To spec, and still a not-so-soft ticking.  I'd call it a "tacking" rather than a ticking.  But no other Savages around the I know of to compare.  

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justin_o_guy2
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Re: Valve Adjustment
Reply #12 - 09/03/12 at 22:32:08
 
To Spec,, that leaves a bit,, how did you get the feeler gauge in there? What feelers did you use? Are you sure you had the feeler straight? Is it bent in a Z shape?
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Re: Valve Adjustment
Reply #13 - 09/04/12 at 05:17:59
 
I used the $2.99 feeler gauge set from Harbor Freight.  Pushed them right in, though there was some wiggling for the tigher fits.  And I had to flex the feeler into an S-curve to get it in, but tried to get it reasonably flat at the point of contact.  Basically, depending on the valve, I could get the .003 or .004 in there and slide it around with some friction, but couldn't get the .005 or .006 to even go in.

Since I didn't have some offset wrenches, or a screwdriver that would reach the darn screw with the engine on the bike, I basically finger tightened the adjuster screw with the .005 gauge in there, then finger tightened the locknut, then took the feeler out, then used a torque socket wrench (10 bucks at HF with coupon this week!) to tighten the locknut.  Then I'd check the gap again.  With a little playing around, I could zone in on it, but boy what a pain.

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Re: Valve Adjustment
Reply #14 - 09/04/12 at 06:05:11
 
It's definitely awkward in there. It would be really nice if there were a way to tighten those lock nuts without having to try to keep the screws from turning. Sad
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