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4 bolt pattern for the disc and 5 bolt pattern for the cush. I'll cast 85A urethane with threaded inserts to fit the hub. Fortunately, the hubs are webbed to set up nicely...
And with an NSR disc...
The hub side is machined to fit over the center of the hub, the brake side center is machined for a 52mm X 17mm X 15mm bearing plus dust seal. Bearing and urethane on order, and hopefully will show up this week.
Just using the hub as a mold, since it's there. I'll get the hardware together on the carrier, mix and pour the urethane and let it set. It'll pop out and have the shape of the interior of the hub. The hub is held tight by the axle, so it really just needs to be held from spinning.
Time for front caliper mounts while I wait for stuff to finish the rear. I ground away some of the CB750s fork lower and drilled/tapped through the stock mount. I'm running a bracket topside through that hole plus the fender brace hole. This is a functional mockup, as I want to be able to run it to test, but later mill it in alloy. I cut and shaped the bracket in 1/4" steel plate, plus machined two 25mm spacers to offset the caliper, which will get welded in place...
I think this thing is fucking with me. Perhaps the best way to store a vehicle for long periods of time is in some rednecks yard, on it's side, clutch side down. The clutch looks good, and soaked in oil. There's a little sludge, but not a lot, in the oil slinger and the bottom of the case. ISO: CJ360 pickup. The gasket popped right off and looks nearly brand new. Go figure...
The biggest question mark so far. The cylinder walls look good and the compression was as it should be for a low mileage bike. However, the pistons look moist, so oil may have skewed my reading...
Since the GL is timed on 90 degrees like the 360, I'm trying to adapt a GL Dyna to this 360. I trimmed the Dyna backing plate down to 62mm, machined a socket screw down to give the sensor clearance, ovaled the center hole on a washer, and grooved the base of the right sensor. All because the right sensor covered the right fastener. Next, I'll trim down the reluctor to match the 360 cam...
Personally I didn't have very good luck with Dyna, it failed on the 'rear' pick up after about 3 months. It was the earlier version though so maybe your results will be better?
Personally I didn't have very good luck with Dyna, it failed on the 'rear' pick up after about 3 months. It was the earlier version though so maybe your results will be better?
Let's hope so. I wonder if heat is a culprit to failure. I have two versions for a CB750- a newer and older version. Both still do well. If this doesn't work, then there will be a version 2 made from the sensors out a Toyota 22re distributor and a GM HEI module.
Finished up the rear hub. Faced the front off the Honda bearing retainer to press in the dust seal and filled the hub with 85a urethane. 5 100mm cap screws are inset in the carrier with shoulder bolts cast into the urethane. On the front end, I'm thinking I'll drop to single disc. Plenty of stop and I'm a bit concerned on losing the gain I've made in weight loss. I'd rather go less on the unsprung weight of two calipers and discs...
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