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General Category >> Rubber Side Down! >> Valve adjustment problem. TDC???
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Message started by alisonsup on 08/10/17 at 18:35:55

Title: Valve adjustment problem. TDC???
Post by alisonsup on 08/10/17 at 18:35:55

I've read the tech section on tdc, I read the manual, and watched a million videos on YouTube about it. I thought I had a firm understanding of it so I decided to tackle adjusting my valves. The only problem is the clicking sound got louder. I'm assuming I didn't have it at tdc like I thought i did. According to my understand the white marker on the side of the engine is suppose to line up with the notch on the side of the inner casing. Also you're suppose to turn the bolt until compression reaches the highest point. When I did this and adjusted the valves the ticking was still present during idle(only much louder). I read where other people had the same problem and their tdc was off. Can someone please explain the easiest way to properly find tdc to me??

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/10/17 at 18:44:58

Rotate the crankshaft CCW.
Everything you say you did is right.
You have to stop it At tdc and Not back up.
I use a breaker bar.

Title: Re: Valve adjustment problem. TDC???
Post by alisonsup on 08/10/17 at 18:50:07

Ok. I definitely backed it up when I went past tdc slightly. I'll try again.

Title: Re: Valve adjustment problem. TDC???
Post by verslagen1 on 08/10/17 at 19:38:54

Well I just rewrote this section because alot of people are getting it wrong.

Quote:

Turn the flywheel around several times while watching the rocker arms and the adjusting screw go up and down to get a feel for what's going on. As you turn the crankshaft, keep an eye on the intake valves. They open immediately before the compression stroke. So watch them go down then come up, next time the mark on the crank lines up with the mark on the case, you will be at TDC on the compression stroke. Note both sets of rocker arms with the adjusting screws are up.

And BTW, I don't bother taking out the plug. Believe me, I know when the compression stroke is. ::)

Title: Re: Valve adjustment problem. TDC???
Post by Tobias dk on 08/10/17 at 23:04:21

Title: Re: Valve adjustment problem. TDC???
Post by Tobias dk on 08/10/17 at 23:04:38

Title: Re: Valve adjustment problem. TDC???
Post by Tobias dk on 08/10/17 at 23:05:22

:) sorry, hate to bother you guys..

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/11/17 at 01:40:51

766D606B63717766676C6A636370020 wrote:

:) sorry, hate to bother you guys..

That's the only thing you have said that is bothersome.
You're Doing your own maintenance, and you don't have anyone in the garage watching and helping. Dude, it's all good..

Title: Re: Valve adjustment problem. TDC???
Post by batman on 08/11/17 at 10:17:34

removal of the sparkplug helps as you won't have to fight compression.

Title: Re: Valve adjustment problem. TDC???
Post by verslagen1 on 08/11/17 at 11:39:22

get a bigger wench.

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/11/17 at 11:53:54

Dude, don't be talking about the mans wife.

Title: Re: Valve adjustment problem. TDC???
Post by verslagen1 on 08/11/17 at 12:02:36

could be his sister.

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/11/17 at 12:19:00

You DIDN'T!!!

Title: Re: Valve adjustment problem. TDC???
Post by batman on 08/11/17 at 17:34:54

Vercy & JOG ,I thought it might be easier for a junior member to place the piston on TDC with the sparkplug removed .It is his first time. I didn't find much humor in your follow up comments as I never was lucky enough to have a sister and my wife of 35 yrs passed away from cancer in 2013 .I wish better luck for you and yours.

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/11/17 at 18:16:33

I'm sorry, I had no idea. That was thoughtless of me.

Title: Re: Valve adjustment problem. TDC???
Post by ohiomoto on 08/12/17 at 05:05:27

In addition to the TDC issues, make sure you are using the feeler gauge correctly. if you have it twisted or bent too much you could be getting a false reading and leaving the adjustment loose.

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/12/17 at 09:07:24

Can you describe How that could happen? In the twelve years I've been here , I've never heard of that.

Title: Re: Valve adjustment problem. TDC???
Post by batman on 08/12/17 at 10:02:33

JOG ,I didn't take it as anything you would have said knowingly, We have all said things we regret in hindsight I'm over it ,and I do enjoy your wit ,you make me laugh .

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/12/17 at 11:43:19

Thanks, I enjoy tossing things out for people to laff about. And no, I would never knowingly do that.
That said, I don't have a great memory and Could possibly say something in the future, I hope not, and I'll try to not.
Enjoying the occasional reply with a
That's Funny
is a clue about how I feel about a reply that says
That Hurt..
I'm really sorry.
And thank you for being so understanding.

Title: Re: Valve adjustment problem. TDC???
Post by eau de sauvage on 08/14/17 at 01:30:10

786B7C7D626F696B603F0E0 wrote:

get a bigger wench.

This is the biggest wench I could find, will it do?

http://https://s28.postimg.org/uyz774lx5/beverage-wench.jpg (https://postimg.org/image/uyz774lx5/)

Title: Re: Valve adjustment problem. TDC???
Post by ohiomoto on 08/14/17 at 07:30:22

697670776A6D5C6C5C64767A31030 wrote:

Can you describe How that could happen? In the twelve years I've been here , I've never heard of that.

----------------

JOG,

The goal is too keep it flat as you snug things up. Pushing the gauge too far in, twisting it, or wedging it can leave you with a looser adjustment than desired. The chances of this happen increase as the gauge gets thicker/stiffer. Removing the gauge from the set helps as it makes it harder to apply twisting/wedging forces because you don't have the extra leverage at the end of the gauge. Making sure you only use the tip helps as well because it allows the gauge flex more naturally. All of these things are an afterthought for an experienced mechanic, but can easily be overlooked by a novice.

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/14/17 at 16:54:03

I removed the gauge from the set, put a ski trip curve on it and bent it into a Z.

Title: Re: Valve adjustment problem. TDC???
Post by ohiomoto on 08/14/17 at 19:44:46

Right on JOG! That's what I'm talking about. Details that people might need to know. I'll keep the Z bend in mind when I get around to mine the first time (any pictures?).

I know it took me a couple of tries to get it right when I had my old Triumph. Seemed simple enough when I was doing the the first time, it but it was louder than when I started. Working with metal sticks in tight areas leads to "experience". :)

Title: Re: Valve adjustment problem. TDC???
Post by justin_o_guy2 on 08/14/17 at 20:51:04

Need a 90* flat blade to turn the adjuster keep it from moving while you snug the jam nut.

Title: Re: Valve adjustment problem. TDC???
Post by eau de sauvage on 08/15/17 at 01:57:25

I found these motion pro feeler gauges made life a lot easier

http://www.ebay.com/itm/Motion-Pro-Tappet-Feeler-Gauge-004-005-10mm-13mm-08-0053-/182455268719