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Message started by Oldfeller2 on 05/13/07 at 07:06:39

Title: Movement of decompression solenoid adjustment
Post by Oldfeller2 on 05/13/07 at 07:06:39

Ok, question for those who have been around the block a time or three already.

Which way does the decompression solenoid adjustment "wear" between adjustments?

Logic says the cable "stretches" and any wear would be towards making the plunger stick out more over time.

But we all know what ASSuming stuff gets you, so I thought I'd just ask.

Oldfeller

Title: Re: Movement of decompression solenoid adjustment
Post by Greg_650 on 05/13/07 at 07:34:33

Yes, I'd say that you would be correct. Though I don't know how much that cable could actually stretch since it doesn't get much use (unlike a brake cable).

The measurement is 3-5 MM on the plunger length.

Title: Re: Movement of decompression solenoid adjustment
Post by justin_o_guy on 05/13/07 at 07:46:26

Thats a short cable with a light load. I wouldn't expect much change due to cable stretch. I have 15,000 miles on mine & have never adjusted it.

Title: Re: Movement of decompression solenoid adjustment
Post by Oldfeller2 on 05/13/07 at 08:14:22

I agree it won't move much. If I was going for a set and forget I'd shoot for the 3mm side of the tolerance and let her ride for a bit.

Just finished my 5,500 mile valve adjustment. Exhaust valves had tightened a bit, intakes were unchanged. Set both to a firmish slip on .005" feeler gage and I intend to let it ride until 10,000 miles running a little on the looser side expecting things stay about the same until some real wear takes place.

Did you know we don't have a pictographic (or otherwise) speedo rattle fix in the tech section? Also, there are several generations of different rattle fixes that show up in Search, question becomes which is the best fix determined so far?

Ah, so full of questions.

Oldfeller

Title: Re: Movement of decompression solenoid adjustment
Post by Greg_650 on 05/13/07 at 09:46:41

Oldfeller2 wrote:

I think that my way is best.

TVR thinks that his way is best :P

Title: Re: Movement of decompression solenoid adjustment
Post by Oldfeller2 on 05/13/07 at 10:00:32

Greg,

Sounds like both work and do fix the problem. Didn't you post pics on your fix somewhere? Seem like I remember seeing out of gastank speedo pics before showing wear marks and after showing fixed state.

Oldfeller

Title: Re: Movement of decompression solenoid adjustment
Post by Oldfeller2 on 05/14/07 at 03:54:07

I thought about it a bit, all the debuzzing methods used in the past. The spring is the weakest part of the speedo mounting system and I couldn't find a spring locally that had the right size and strength to fix the real problem with the spring which has to do with firm retention (yet not TOO MUCH force being exerted).

This got me to thinking about what the spring actually does in the speedo mount (makes up for the tank tabs being all over the place postition-wise) and that led me to some interesting conclusions about the best spring for the job.

There is a new fix-it in the Tech section about debuzzing a speedo -- with an inexpensive solution to the whole spring thing in it.

Oldfeller

Title: Re: Movement of decompression solenoid adjustment
Post by Greg_650 on 05/14/07 at 05:30:47

Oldfeller2 wrote:

There is a new fix-it in the Tech section about debuzzing a speedo -- with an inexpensive solution to the whole spring thing in it.

Oldfeller

I'll check it out. The worst thing about the springs is the plastic housing that they retain. I fixed one guys speedo, after he had tried. One of the plastic mounts had broken from over tightening or something. I still used the silicone rubber method though.