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› Cam chain tensioner revisited
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Cam chain tensioner revisited (Read 2423 times)
verslagen1
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Re: Cam chain tensioner revisited
Reply #150 -
05/30/16 at 15:18:57
don't bother, went to flea bay and found a few.
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norm92de
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Re: Cam chain tensioner revisited
Reply #151 -
05/30/16 at 16:24:24
Versy,
What about a 'condom' over the present plunger with a spring inside.
The only problem I can see is to prevent rotation and possibly separation.
Sort of like a double verslagen mod.
Do you think it is worth working on?
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2014 S40. Raptor. idle mixture adj.Needle raised one notch. 4000' altitude. Stock jets. Shell Rotella synthetic.
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norm92de
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Re: Cam chain tensioner revisited
Reply #152 -
05/30/16 at 16:37:34
Versy,
Another thought. What about a hard rubber washer inside the 'condom' Would it have enough accommodation.?
How much do we need?
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2014 S40. Raptor. idle mixture adj.Needle raised one notch. 4000' altitude. Stock jets. Shell Rotella synthetic.
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Dave
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Re: Cam chain tensioner revisited
Reply #153 -
05/30/16 at 17:03:29
Am I the only one who has a mental problem with Winnie the Pooh working on a mechanical issue? (Maybe Normde92 needs to change his Avatar photo if he wants us to take him seriously.).
Oh Bother!
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justin_o_guy2
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Re: Cam chain tensioner revisited
Reply #154 -
05/30/16 at 17:06:21
The pawl catches the tube. That effectively make s the tensioner a set length. The only way to allow the chain to be tightened and Not be damaged is to allow the tensioner to back away.
The only easy way to accomplish that is to slot the mount and spring load it.
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The people never give up their liberties but under some delusion.- Edmund Burke.
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verslagen1
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Re: Cam chain tensioner revisited
Reply #155 -
05/30/16 at 17:54:55
Dave wrote
on 05/30/16 at 17:03:29:
Am I the only one who has a mental problem with Winnie the Pooh working on a mechanical issue? (Maybe Normde92 needs to change his Avatar photo if he wants us to take him seriously.).
Oh Bother!
I think he's got his head in the honey pot.
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norm92de
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Re: Cam chain tensioner revisited
Reply #156 -
05/30/16 at 18:33:10
I guess growing up in England A.A. Milne and all that stuff was such a part of my life that I don't see it from your point of view.
Are you trying to say that Whinny wasn't very macho? I think he was a very fierce bear. He just played his cards close to his chest.
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2014 S40. Raptor. idle mixture adj.Needle raised one notch. 4000' altitude. Stock jets. Shell Rotella synthetic.
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batman
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Re: Cam chain tensioner revisited
Reply #157 -
05/30/16 at 18:43:36
Well while I was riding down the highway about 70mph,I was wondering if you guys were still kicking this football up and down the field. I looked down and found I'd put another 500 mi on my bike.THE GUINEA PIG LIVES!!!25500mi. still crankin'.(6500 without the pawl spring)
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my old work mates called me MacGyver
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Garry
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Re: Cam chain tensioner revisited
Reply #158 -
05/30/16 at 19:16:19
So Batman - you have disabled the pawl by removing the little spring that controls it and the plunger spring now both tensions the chain and provides shock absorbsion for the chain?
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DesertRat
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Re: Cam chain tensioner revisited
Reply #159 -
05/30/16 at 19:32:30
quick scan of triumph forums and a google image search:
one style Triumph cam chain tensioner -
or this -
and the 1st thing folks do is pull that POS out and replace it with something like this -
or this -
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norm92de
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Re: Cam chain tensioner revisited
Reply #160 -
05/30/16 at 19:49:03
I'm not trying to defend Triumph but my tensioner is not one of those pictured.
All I can say is, mine has been trouble free for 16k miles, which I agree is not a great number of miles. Time will tell I suppose.
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2014 S40. Raptor. idle mixture adj.Needle raised one notch. 4000' altitude. Stock jets. Shell Rotella synthetic.
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Garry
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Re: Cam chain tensioner revisited
Reply #161 -
05/31/16 at 02:10:53
Another idea. Not sure if there is room in there? An outrigger made of thin steel which pivots on the tensioner mounting pin at the back of the tensioner and which carries a compression spring between itself and the back end of the tensioner as per the rough attached drawing. The mounting hole in the tensioner is slotted. The length of the slot could be calibrated to allow an exact amount of travel and it might be easier to try different strength and size springs? Could perhaps be better to flip the outrigger over so it is on the outside of the tensioner as this would mean that the circlip on the mounting stud is not having to deal with a slot.
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image_335.jpg
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Last Edit: 05/31/16 at 04:33:43 by Garry
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Dave
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Re: Cam chain tensioner revisited
Reply #162 -
05/31/16 at 03:25:33
norm92de wrote
on 05/30/16 at 18:33:10:
Are you trying to say that Whinny wasn't very macho? I think he was a very fierce bear. He just played his cards close to his chest.
I don't remember him as being a good problem solver.
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justin_o_guy2
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Re: Cam chain tensioner revisited
Reply #163 -
05/31/16 at 08:17:18
I seem to remember some misadventure with a honey jar.
If you get outwitted by a glass jar,,,,
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The people never give up their liberties but under some delusion.- Edmund Burke.
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verslagen1
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Re: Cam chain tensioner revisited
Reply #164 -
05/31/16 at 08:53:33
Not a bad idea, garry, but orientation would be an issue.
The rounded end of the housing will allow it to turn.
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