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That bike gives you a great start to a fun restoration, though it's an expensive one if you want to "keep up" with the other 100cc restorations going on. If you keep that stock swing arm (vs. going to the lighter IT arm), the chain slider will be very hard to find, but you can modify one from a 125. See next pic. Most of my ideas for my '83 YZ100 resto came from others in the biz, like Paul Johnstone, who also let me know that wide IMS Pro Series footpegs made for a Honda CR100F can be slipped right on with no mods! PM me anytime if you have questions, or decide not to restore it after all (first dibs; haha) .
Your rubber mud flat looks nice, I may have to look in to that. Your swing arm chain guard, is that from a 125? Looks like you were able to make it fit. I have only seen black reproduction guards available. I like yours.
The chain slider on my 100 is indeed from the 125, part # 5X6-22147-01-00. They are easy to find. The modification I made was to cut off the rear part of the slider, which is sorta triangle shaped. It will make sense when you get the part and compare it to my picture. The rear triangle part of the slider is not needed in this case, so I cut it straight across to make it square in the back. It still stays perfectly secure with the one front bolt. It can't twist since it's wrapped around three sides of the arm anyway.
A true craftsman
The Shop
Does anyone have good jetting specs for the 1982 YZ100 with the Mikuni VM30 carb?
thanks
1. ebay will actually be worth a look sometimes, you just have to check it often.
2. Parts houses like Babbitt's online or partzilla.com
3. speedandsportinc.com may have some of the harder to find pieces and
4. online forums, some practically dedicated to this little bike. There are members who have multiple YZ100's and
parts to help out. Start with this group and go from there YZ100 & YZ125 H/J/K Owners/Tech Group - 1981-83 models
Pit Row
pretty sure I watch you at the Honda Hills AHRMA National this past weekend? If so you were ripping on that trick out YZ100
Hello and thanks. Yes that was me at Honda Hills. Such a fun weekend. Glad we made the trip up from Texas. Much appreciation for the kind words.
From the most recent AHRMA National at Honda Hills, MX.
Nice Picture- Honda Hills is my all-time favorite track ! I know I ask you at practice, but how made the tripe trees on that YZ100?
Thanks….NorCal Vintage Racing makes those clamps and other trick stuff that fit Vintage and Post Vintage bikes. They are on FB and also have a web page. Brad and Eric Harvey. 👍👍👍
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