An update on progress with the MX250 and where its at
Twinshock Bike Projects
Bike projects and events for Classic Off Road Bikes
For motocycle parts see http://parts.bwlch.net
16 February 2010, by
22 January 2010, by
Partly to locate missing spares, but also because it was there, a second MX250 was acquired this week.
14 January 2010, by
Only had the bike a day, but time to strip it down and start the process of restoration.
Whilst I’d worked out what was missing time to work out what was broken and needed fixing.
The bike was wheeled up on the stand and whipped off the tank and exhaust fairly quickly. The exhaust system is complete, with the rear box and is in good condition with no corrosion. Not sure how the system is attached to the barrel but there was one spring holding it in place; no gasket etc,
Joy of joys, the (...)
13 January 2010, by
The detective work, both on what it is and where do i get what I need starts here.
First up, closer inspection of the engine numbers may show them to match, but for sure they aren’t original Yamaha numbers, Not-so subtle use of a file and poor aim with the number punches show the numbers on the bike ’3(or 5)15341045’ not to be related to any known Yamaha. Ah.
There’s a good article with the Yamaha dirt bike engine number ranges which show that Yamaha 250 MX bikes should have (...)
10 January 2010, by
What I think is a 1973 Yamaha MX250, though further investigation is needed to work out exactly which year.
Picked up from Kevin’s collection of bikes of bikes in Tredgar and this was there next to an original (but pretty rotten) 1971 Honda XL 250 Motorsport, I bike I’ve also always fancied.
However, with an interest in getting an early 70’s, preferably pre-74 motocrosser, the Yamaha was my target bike for the trip into the wintery wilderness of the Gwent valleys. Its a US import, thought (...)