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Intro
Hello to all. I acquired a beautiful 1970 AT1B in a trade. I love the feel of these old enduros. This one runs and rides great but has a charging issue. I’ll be working on that.
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Hello to all. I acquired a beautiful 1970 AT1B in a trade. I love the feel of these old enduros. This one runs and rides great but has a charging issue. I’ll be working on that.
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Hello. Does anyone know a source for armature brushes, and, will thread locker on the main dynamo cause grounding problems?
We are making parts, but we have not made the brushes yet....Yambits has them
https://yambits.co.uk/at1mb-alternator-brush-set-p-106833.html?keywords=101-81111-10
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Could any one give me the Metric measurements of the dimensions of the fork seals for the CT1 and HT1 / LT2. Just the ID & OD.
I'm at work away from home, so I'm going to make a couple of insertion tools from Nylon on the Lathe.
Appreciated.
Dave.
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Devin I want to thank you for all the Tribute Video’s. I appreciate the efforts you put into them. I love the period correct photos and I often pause the videos to take in the surroundings. The homes, the cars, the clothing, etc. I wish I knew how many of the photos are from your own personal archives. I’m sure there’s many. And I thank you for slipping in one of my photos. It was a pleasant surprise. If you ever do one on the JT1 mini enduro I can share a couple grainy period correct photos of me abusing mine. Thanks again Devin, and please keep them coming.
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I am finding two versions of DT400B owners manuals. I am familiar with the dark orange/brown version, but I am questioning the one that shows an image of the bike. Is that a knockoff version or did Yamaha actually have two versions?


Some models had a couple different versions, but what you are showing is definitely a reproduction.
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Hi guys! Can anybody help with the size (outer or inner diameter, thickness) of the heat resistant O-ring between mid- and end muffler?
It´s the Yamaha part no. 93210-27250.
Thx!
Gerry
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Finally got time to load up the '72 AT2's for a run down the beach so the wife could get comfortable riding.
She did well. Getting ready to buy a toy hauler and take them with camping.

Nice pair!
I love the patina. Bikes like those do NOT need repainting. Just make them mechanically safe and sound, which I’m sure you have already done.
Welcome to the site!👍