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What hub was the rim drilled for?

Larger offset moves the tire contact patch forward, thereby reducing trail, resulting in faster steering. Which would exaccerbaate a flexy front end. I'll have to check the XT500 triple clamp offset to see if it is somewhat close to the later XS650 triple clamps. I believe XT500 forks are...

Thanks! So frame geometry is essentially the same? I read something about the 1970-73 swingarms being shorter than the later swingarms? The later stiffer/stronger frame seems like the way to go given I'm building this bike to bomb through rough roads.

Resurrecting this thread which has been dormant for 10 years. I'm putting together plans to build an XS650 equivalenty of a Triumph desert sled. For the chassis I'll probably go with a stock frame (trimming off unnecessary tabs), an early (center axle) XT500 fork with RaceTech internals, and...

I skimmed the 4 pages of posts at that link and didn't see anything directly on point to my hot vs. cold clutch adjustment question?

A couple of questions about minor stuff: Should be clutch and clutch cable be adjusted when the bike is cold or warmed up? My service manual doesn't say, and I've noticed the cable adjustment seems to vary a bit between the two. My idle speed seems to vary a few hundred RPMs with a 20-25F...

I seem to recall purchase price was around $2k. I've installed new Heidenau tires, a front brake caliper rebuild kit, a 14mm Nissin master cylinder, a primary oil filter and a rear brake switch. And I bought spare cables, carb rebuild kits, and petcock rebuild kits. So I'm probably into it...

This pic shows an original brake pad on the left and an EBC brake pad on the right. Note the difference in tab length. When I first tried installing the EBC pads on my XS2, I discovered that the longer tab on the outboard side of the caliper interfered with the fork slider. So I cut the tab...

Sounds like brake pad / rotor contact noise, but a bit louder than normal. Maybe some kind of resonance amplification? Although most of my bikes have drum brakes or very modern disk brakes, so it could be a little paranoia on my part.

Reviving this thread after a few months hiatus. . . . I rebuilt the front brake caliper (new seals and EBC brake pads), installed a new period-looking master cylinder and bled the system with DOT 4 fluid. I'll replace the original brake lines with a modern line in the future, but that wasn't...

Strapping tape seems to work for me as well. I'll cut some extra pieces and keep them on hand in case things get loose.

Yes, this confirms the correct part number per my original post.

Yes, if you want to buy the incorrect front axle for a 1972 XS2, I suppose you could purchase that part from Partszilla. Compare the part number to the part numbers I listed in my original post.

I'm rehabilitating a 1972 XS2 with the goofy, one-year-only, front hub/brake setup. While rebuilding the front brake caliper and installing a new front tire, I discovered that the front axle is bent, although the front wheel doesn't show any sign of damage. Unfortunately, I'm having a hard...

There might be an off-the-shelf solution that works for a custom frame application, but it's hard to say for sure without buying the system and test fitting. I've been distracted by some other stuff lately, but will likely wind up having some custom headers made for my single downtube Redline...

Thanks! Such a weird, complicated design. My guess is that the o-ring prevents the carrier from rotating away from hub portion that fits into the carrier. Maybe more effective than the rubber pieces alone because the o-ring has more surface area in contact with the carrier. I'll jam some...

I'm confused as to what that issue that service bulletin is intended to fix? The title reads "disk bracket bearing spacer, dimensional change" so it doesn't seem directed to the old rubber pieces that are the focus of this thread. But at the same time, it recommends eliminating those pieces...

I'll do the same and I'm sure it will work fine. But I'm curious about how the retrofit kit works.

Found a pic of the mating side of the 1972 front hub. Still don't understand how the revised o-ring and other parts negate the need for the old rubber pieces?

I'm having a hard time visualizing how the new o-ring replaces the old damper rubbers? Although I haven't taken my front wheel off to see how it engages with the disk carrier. Also, looking at the on-line parts fiche, most of the parts in this retrofit kit are NLA.