murp
Drag-strip hero
Posts: 247
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Post by murp on Mar 19, 2021 11:59:11 GMT 1
Does the rubber grommet on the choke do anything ..... Does it prevent excess air getting in.... or is it just a dirt seal..... Cheers  |
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Post by steven on Mar 19, 2021 13:17:59 GMT 1
Hi,
Id say it is only a dirt/dust seal.
The sealing face is the rubber bit on the end of the plunger, which opens or closes a hole/drilling/passage in the carb.
Steven.
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Post by Tobyjugs on Mar 19, 2021 16:28:04 GMT 1
I agree with Steven. I've had a friend ask me to look at his bike because the engine was playing up. It turned out the choke was jammed on. The rubber grommet was missing and I think this was a big part of the reason the choke seized on.
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Post by midlifecrisisrd on Mar 19, 2021 16:37:24 GMT 1
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murp
Drag-strip hero
Posts: 247
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Post by murp on Mar 19, 2021 17:57:44 GMT 1
I've just bought one Steve 👍
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Post by robin on Apr 22, 2021 12:02:31 GMT 1
The LC version part number is NLA at Fowlers, BUT COVER, PLUNGER CAP 132-14173-00 which is a RD50M or SR250 part looks like it will do the job, I am having my choke plunger serviced by Rob - Zed1, (see the sales forum) so I have ordered the above part, fits like a glove, I am going to use it, its got to be better than my one which is hard and split, so if you just want to replace the rubbery bit give this a go
Robin
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Post by elsiefan on Apr 23, 2021 0:51:13 GMT 1
I've just bought one Steve 👍 Did it work OK? If so I might get one as well. I noticed the rubber on mine was a bit perished and once you see it, you can't unsee it, so it needs fixing! 😂 |
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Post by brigitte on Apr 23, 2021 18:26:36 GMT 1
My worry ist that the plunger does not seal the enrichment-circuit completly, so I may be running to rich sometimes. I bought one of the cheap ones but you have to push it all the way in. As I remember from long ago, when they where (nearly) new, you had to push the plunger and then the spring would push it into the closed position.
Brigitte
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Post by zed1015 on Apr 23, 2021 18:35:48 GMT 1
My worry ist that the plunger does not seal the enrichment-circuit completly, so I may be running to rich sometimes. I bought one of the cheap ones but you have to push it all the way in. As I remember from long ago, when they where (nearly) new, you had to push the plunger and then the spring would push it into the closed position. Brigitte If you have your original plunger i can repair it with a new Viton seal. I have an ad in the for sale section. |
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Post by brigitte on Apr 25, 2021 9:45:49 GMT 1
My worry ist that the plunger does not seal the enrichment-circuit completly, so I may be running to rich sometimes. I bought one of the cheap ones but you have to push it all the way in. As I remember from long ago, when they where (nearly) new, you had to push the plunger and then the spring would push it into the closed position. Brigitte If you have your original plunger i can repair it with a new Viton seal. I have an ad in the for sale section.
Hi zed,
I have a 125cc 10W and I see no way to take mine apart for the repair. Except to destroy the knob and fit a new one after the repair. It should be no problem to cut few threads M4 onto the brass to fit anything to pull / push in.
Please send me the details about shipping / payment.
Regards
Brigitte
Plesa
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