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			George Spence in Cupar used to be the man for wheel building, he can give any length of spoke and bend you need.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Agree totally with OTF, try one of these with a decent air filter oil (I use Partner Chain Saw oil) should make a differance. 
http://www.trialsbits.co.uk/product_info.php?cPath=21_231&products_id=933
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Brian 
Have a look at mine tomorrow, not pretty but effective. 
Ross
		 
	 
					
				 
				
			
		
	 
 
			
				
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			If you reverse a hooked sprocket the teeth get ripped off almost instantly, if there is very slight wear and it is reversed is it OK ? 
( It's not quite as worn as in following picture. ) 
http://www.dansmc.com/rearchain.HTM
		 
	 
					
				 
				
			
		
	 
 
			
				
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			To be fair was the specification not, well specified ?
		 
	 
					
				 
				
			
		
	 
 
			
				
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			60's. 60's you must be thinking of someone else, I didn't attend till the 70's possible the 80's. 
See you there Pete, bring Dave along.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Fantastic selection of bikes, whats the story to the exhaust ? 
sdmcctrial250.jpg
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Anybody know if this started out a a disc valve motor ?
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Hi Reginald,looks piston ported, not disc valve?
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Swinging arm looks short, in the pictures.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			It probably wasn't meant as a "go" at you, but there always is a satisfaction at beating somebody on more modern/trick machinery.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Just had a look at Billet Parts new site, good to see Wayne's still making the Amal carb adjusters.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Speedo for a pedalbike will do, either wire or wireless.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Dont know specifically, but why not put wheel in place with axle through and see how the disc lines up ? 
It should tell you if spacer is required and position.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Rubber bushes on mine, might not be as good as "heim" when both new, but should last for years and cheap to replace.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Picture from Tommy Sandham, but who were the pupils ?
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Reline old ones ? 
http://villiersservices.co.uk/index.php?main_page=page&id=9&chapter=4&zenid=e5850317d5a3f6ef654015418cfb44df
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Ok, I will answer my own question, the sections would have to change which will make them more ridable.
		 
	 
					
				 
				
			
		
	 
 
			
				
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			You think they would lay out the same sections as are presently used ?
		 
	 
					
				 
				
			
		
	 
 
			
				
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			Yes thanks, got my last one's from them but out of stock, so ordered from 
http://www.sparkplugs.co.uk/
		 
	 
					
				 
				
			
		
	 
 
			
				
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