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Aircooled RD Tech Help 250cc and Above / Re: Removing Fork Top Bolts
« Last post by stevie747 on Today at 12:36:25 PM »
Done...  :)

A local buddy with a bigger vice finally got them off by constantly tapping a hammer around the outside of the tubes whilst levering a spanner with a long extension tube.  No heat/ice needed.

I'm pretty sure these had never been removed in the past and the nuts just had 50 years of erosion.

Regarding replacing them, are the Yambits RD 250/350 £140 pair any good, or should I pay £150 to get these rechromed here: http://www.forkrechroming.co.uk/



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General Conversation / Re: Well that's that then
« Last post by CBM on Today at 10:45:05 AM »
Quote from: 76rd200 on Today at 09:29:03 AM
What amount was in it?
Have you tried testing Texaco? Ive heard it has very little if any.
4-5%, the same as all the others  :(
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General Conversation / Re: Well that's that then
« Last post by Motty on Today at 10:23:27 AM »
That's really crap news.
I guess we will be changing our fuel lines more frequently in the future
Richard

Sent from my Pixel 4a (5G) using Tapatalk

4
The Piston Broke / Polishing tip
« Last post by chrisg.007 on Today at 09:39:04 AM »
I spotted this on a recent "the motorbike show"  re run. If your trying to clean  pitted chrome on your bike, use baking foil. I dont know how, but it really does work in cleaning the rust and getting the chrome to shine. Its not a wonder cure but worth knowing.  ;)
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General Conversation / Re: Well that's that then
« Last post by 76rd200 on Today at 09:29:03 AM »
What amount was in it?
Have you tried testing Texaco? Ive heard it has very little if any.
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General Conversation / Well that's that then
« Last post by CBM on Today at 08:56:19 AM »
We can no longer buy ethanol free fuel at the pumps. I tested some Esso Synergy Supreme yesterday and as announced/predicated it now has ba5tard f*cking ethanol in it. Bollox, bollox and thrice bollox, I mean WHY  :-[ :-[ :-[
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Skill centre / Re: Hard to find/obsolete carb' needles
« Last post by NivagRD on Today at 06:37:43 AM »
I think they have the capability/resources to make any needle for any make/model of carb. I guess a good OE sample would always be the best bet, but possibly they could make from the manufacturers code as I know Mikuni's code, for example, tells of the diameters, angle of the taper(s) and where the taper starts. There are look up tables in A. Graham Bell's books on Two Strokes. BR, Gavin
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Torque Introduction / Re: new member from Oxfordshire
« Last post by Ozhammer on Today at 01:39:45 AM »
Welcome to the world of aircooled Yamahas Clem and also to this forum, where you will find an absolute wealth of knowledge, so be sure to ask any questions you need to.
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Skill centre / Re: Hard to find/obsolete carb' needles
« Last post by Gr8uncleal on October 03, 2023, 08:47:07 PM »
Thanks Gavin.

Very close to me as well.

I've visited the premises myself a few times for car related stuff.

Presumably they need a good original to copy, or can they work from the spec given within the carb maker's part number? Also, TK as well as Mikuni?
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Torque Introduction / Re: new member from Oxfordshire
« Last post by betty foRD on October 03, 2023, 08:24:06 PM »
Hi Clem, welcome… I’m Oxfordshire too although the boarder with Wiltshire is only a short way away…
I also happen to have a yr5… another work in progress project…. but have made good strides forward with it this summer… partly helped by that big auction of NOS parts in June that was a goldmine for all things YR and YDS…
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