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Ruston PT noise?

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Ruston PT noise?

Post by stationary stu on Sun May 01 2011, 17:30

Today was a day that I didn't know where to start so I quickly had a look at my PT. When I bought it the owner said it had a rattle from the top end of the engine. So when I got it home I tried it but couldn't get it to run very well, and yes a loud rattle from the top of the engine, well asking about a friend said his PT was the same. So today I quickly pulled the head off and had a look to see if anything stupid had happend like something drop into the bore. Nothing looks wrong but there is a very loud crack coming from the mag (wico) when turning the engine over, is this normal? should I be worried about it or is there a fault with the mag, or am I missing something wrong in the engine. The tappets are very wide so I'm going to de-coke them and re-set before putting the head back on. Can anyone tell me the valve clearances please.

Any information greatly received,

Stu.


Last edited by stationary stu on Mon May 02 2011, 11:01; edited 2 times in total

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Re: Ruston PT noise?

Post by Guest on Sun May 01 2011, 17:40

Have you checked the small end? is it a flywheel magneto, shouldnt get any noise from them.

Cheers steve

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Re: Ruston PT noise?

Post by stationary stu on Sun May 01 2011, 20:30

No it's a normal impulse mag, it's just a very LOUD click. Not got anything else stripped like I say it's a strange (light) rattle as if there was something is loose. I might just leave it for now then rebuild it and try and get the noise on video if I don't get any other views to what it might be.

Thanks Stu.

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Re: Ruston PT noise?

Post by Guest on Sun May 01 2011, 21:06

Impulse on a pb? I thought they were fitted with Lucas mags.

Cheers Steve

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Re: Ruston PT noise?

Post by matt86 on Sun May 01 2011, 21:30

sounds like you have a impulse mag on there same as the WD's have ...

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Re: Ruston PT noise?

Post by JONESEY on Sun May 01 2011, 21:55

Stu have a look at the rubber cupling that fits on the end of the impulse bit of the mag, these split sometimes or could just be worn out.
Set the tappets to 16 tho that will keep it nice and sweet.
Make sure the governer springs are ok if they are worn the govners clang on the side of the engine
Jonesey Smile

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Re: Ruston PT noise?

Post by mike d on Sun May 01 2011, 22:03

HI STU......
your not having a lot of luck,it sounds to me as its an impulse problem.....
does it get louder the faster you turn it????
i have some wico mags here,so if you need anything contact me and we can sort it out....
you pay postage,and the mags yours as i owe a favor mate...
mike...

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Re: Ruston PT noise?

Post by stationary stu on Mon May 02 2011, 11:03

Sorry guys messed up again it's a PT, my head up my ass again. Embarassed Embarassed Embarassed

Sorry Stu.

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Re: Ruston PT noise?

Post by Villiers on Mon May 02 2011, 12:04

stationary stu wrote:Sorry guys messed up again it's a PT, my head up my ass again. Embarassed Embarassed Embarassed

Sorry Stu.



Easy to do as both engines are very very very very very






DIFFERENT!!!!!!

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Re: Ruston PT noise?

Post by mike d on Mon May 02 2011, 12:11

better keep an eye on him after all hes getting old now..... Very Happy Very Happy Very Happy Very Happy
and like its been said the engines are very very different.. lol! lol! lol! lol!
mike...

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Re: Ruston PT noise?

Post by stationary stu on Mon May 02 2011, 12:25

Only one letter difference put a B instead of a T. Oh well Rolling Eyes Rolling Eyes
Think I'm trying to do to much at once and my minds not with it.

Stu.

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Re: Ruston PT noise?

Post by Villiers on Mon May 02 2011, 12:35

stationary stu wrote:Only one letter difference put a B instead of a T. Oh well Rolling Eyes Rolling Eyes
Think I'm trying to do to much at once and my minds not with it.

Stu.


That's the trouble, the B and T are soooooo close on the keyboard!

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Re: Ruston PT noise?

Post by mike d on Mon May 02 2011, 12:38

stationary stu wrote:Only one letter difference put a B instead of a T. Oh well Rolling Eyes Rolling Eyes
Think I'm trying to do to much at once and my minds not with it.

Stu.

from what Ive heard you've been like it for ages mate... lol! lol! lol! lol!
don't worry be happy... study study study study
mike...

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Re: Ruston PT noise?

Post by Villiers on Mon May 02 2011, 15:02

Should have gone to specsavers!

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Re: Ruston PT noise?

Post by Guest on Mon May 02 2011, 15:55

Well if its a PT then there will be a click while turning over.

Cheers Steve

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Re: Ruston PT noise?

Post by Villiers on Mon May 02 2011, 16:01

Not if it has a RS1 Mag on it shouldn't.

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Re: Ruston PT noise?

Post by Guest on Mon May 02 2011, 16:08

Very True, but he did say Wico

Cheers Steve

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Re: Ruston PT noise?

Post by mike d on Mon May 02 2011, 22:04

stationary stu wrote:Today was a day that I didn't know where to start so I quickly had a look at my PT. When I bought it the owner said it had a rattle from the top end of the engine. So when I got it home I tried it but couldn't get it to run very well, and yes a loud rattle from the top of the engine, well asking about a friend said his PT was the same. So today I quickly pulled the head off and had a look to see if anything stupid had happened like something drop into the bore. Nothing looks wrong but there is a very loud crack coming from the mag (wico) when turning the engine over, is this normal? should I be worried about it or is there a fault with the mag, or am I missing something wrong in the engine. The tappets are very wide so I'm going to de-coke them and re-set before putting the head back on. Can anyone tell me the valve clearances please.

Any information greatly received,

Stu.

STU....
Any news on your poorly engine????
mike...

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Re: Ruston PT noise?

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