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Discussion in 'Some Assembly Required' started by larryboy, Oct 1, 2019.
Got some fenders in today.
Teardown and jig up day, mainly to get the thing out of my way.
We couldn't get the fuel tank delivered to California, so Jim went to get it in Nevada.
Ha LarryBoy your sign should say Prepare to Chop not Stop.
Looking forward to this one
I knew you were into Franken-bikes meeting you in Death Valley a while back, but WOW.....serious skills there!
Are you keeping the CB wheels for the SUMO setup?
Is that a Willy's wagon or pickup door and fender in the picture?
59 Willys wagon.
woohoo, this is lookin good
Not much progress, some measuring, pulled the CBR swingarm and am sizing up the CRF swingarm. I'm going to use a little bit of the stock frame where it makes sense... radiator mounts and front engine mount, swingarm and rear engine mounts. It's looking a little easier and quicker than I had thought.
Getting my 640 prepped to sell and servicing other bikes.
Off to Saline Valley for close to two weeks, then I should have time to really dive into the 500 project after Thanksgiving.
Larry boy, can you please collect your swi garm measurements? I'm after a replacement swi garm for the X for long time now, and collecting information.
The stock 500 swingarm is heavy as lead, and also a bit short - limiting useful rear suspension travel.
Weight, length, mounting width, pivot axle diameter, swing arm width could be useful info.
Thx in advance
I'll see what I can do. Pivot bolt is smaller, probably could make it work with a couple of washers and some grinding as it's slightly wider too. I'm going to do it right and machine some new slugs to weld in.
I doubt it's any lighter, even though it's aluminum...it's super beefy.
Wow! They really know you out in the sticks. That sign was MADE for you!
Every bit counts.
The stock steel 500 swingarm is over 8.2kgs. A cbr1100xx ally swinger is 5.3 - even if it has to handle minimum 3x the power and torque as the 500. That's a huge difference in unsprung weight.
Similar difference of the suspension linkage plates. The 500 uses 5mm thick mild steel plates while the 1100xx 8mm alloy ones. The two has approximately the same yield strength while the steel ones weight over twice the amount of the alloy ones.
This looks like fun.
Very interested in this one!!
I'm back from almost two weeks naked.
I might have to make another desert run next weekend. Shooting for after Thanksgiving to really dig into this turkey.
Jim got a load of CBR parts out of my way while I was gone and delivered a pile of parts for the project.
So just to clarify, you are taking a cbr 500 and adding travel? Just trying to grasp the idea here. I went through th ed post and couldn't quite get it.
Most of the 500 swaps around here have transplanted the engine into another bike, mostly the CRF250L. I prefer to modify the donor bike into what we want. I'm not just adding travel to a CBR, Honda has already done that with the 500X.