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BRITISH COLUMBIA CLASSIC MOTORCYCLE CLUB
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What did you do to your motorcyle today?
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Topic: What did you do to your motorcyle today? (Read 595646 times)
754
BCCMC Star (5K)
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Posts: 9895
Re: What did you do to your motorcyle today?
«
Reply #1980 on:
August 07, 2018, 10:04:19 PM »
Since around 1969 guys have been cutting out the lower rails on Cb750,s to allow access to the top end... without having to pull the engine out of the frame.
Some guys leave them out completely some reinstall them. The first way they did that was to have sliding tubes over the joints then drill thru the sides of both tubes, and bolt them together . Not completely rigid.
Then eventually someone came up with a weld in kit, with solid elements that were milled 1/2 way off for an inch and a half, then bolted together, better solution, and similar to what Honda, maybe Kawi and others use to allow sections of frames to be removed.
Several versions of that idea and I made about 4 sets at one time, for the SOHC Forum guys. Then the guy that used to make them started again.
That version had a threaded element to it that I felt lacked rigidity. And it was very heavy around 4 lbs plus, and needed a welder or welding.
Not good adding weight to HiPo bikes.
And then it was hard to put it back to stock if so desired.
So around 2014 I came up with a better idea, lighter too.
Single cuts to the tubes, so easy to reverse if needed. The collars were aluminum alloy with 4 allen heads for each cut section. They clamp like a triple tree. The upper brace has an aluminum connector strap far lighter than the steel others used. And tapped so you didn't drop washers and nuts into your carb bank.
So it can be installed in a hour, and removed in 3 minutes or less, and weighs around a pound.
I sold quite a few to at least 7 countries all thru the forum, and built them till last year. Then I no longer had enough machinery set up, to keep producing them. SO I got a buddy in Arizona to make them for a while, still is making them and selling them.
Anyway that is what goes in the hole in the frame, it works well.
«
Last Edit: August 07, 2018, 10:13:41 PM by 754
»
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Feel free to discuss anything I post on here, its an open forum, and I welcome comments and discussion.. I am not the kid who parades his Bat & Ball at the ballpark, but wont let anyone else play with it..
..VaaV....
parm94
Jr. Member
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Posts: 125
Re: What did you do to your motorcyle today?
«
Reply #1981 on:
August 08, 2018, 01:23:09 AM »
Before his hot sauce empire there was Frank's Weldless Frame Kits
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1966 R69S
1975 CB400F
1976 CB550F
1980 XL500S
2013 CB1100 K10
Twisted_Twin
BCCMC Star (5K)
Online
Posts: 6407
15/16ths of the world uses the metric system.
Re: What did you do to your motorcyle today?
«
Reply #1982 on:
August 08, 2018, 08:56:34 AM »
Quote from: 754 on August 07, 2018, 10:04:19 PM
I sold quite a few to at least 7 countries all thru the forum, and built them till last year. Then I no longer had enough machinery set up, to keep producing them. SO I got a buddy in Arizona to make them for a while, still is making them and selling them.
Anyway that is what goes in the hole in the frame, it works well.
Cool bit of kit.
Have you thought about S&S couplings?
http://www.sandsmachine.com/spec_ssc.htm
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It's important to feel comfortable in your own skin because it's illegal to wear someone else's.
754
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Posts: 9895
Re: What did you do to your motorcyle today?
«
Reply #1983 on:
August 08, 2018, 09:22:25 AM »
I don't think they could work , my system the piece has to drop down or come out the side.
Plus building it myself provided me with a sorely needed income.. ... something I could really use this year..
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Feel free to discuss anything I post on here, its an open forum, and I welcome comments and discussion.. I am not the kid who parades his Bat & Ball at the ballpark, but wont let anyone else play with it..
..VaaV....
Jefft
Super Member
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Posts: 589
Re: What did you do to your motorcyle today?
«
Reply #1984 on:
August 08, 2018, 11:08:05 AM »
Having done it many times, removing a 750 motor is not that tough or time consuming. It is a heavy lump though. I would think cutting up your frame etc. takes longer.
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754
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Posts: 9895
Re: What did you do to your motorcyle today?
«
Reply #1985 on:
August 08, 2018, 12:08:30 PM »
I can't lift like before. Lower end came out ok.
My removeable top part takes 3 minutes or less to remove.
Now I have a few snags. Carb rubbers late intakes 2 mm bigger . Chain is out of line 10mm.
I thinking can only bump it over about 6.5 mm ..1/4 inch. Rear case breather us goingbto be fun too, bigger snout. .
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Feel free to discuss anything I post on here, its an open forum, and I welcome comments and discussion.. I am not the kid who parades his Bat & Ball at the ballpark, but wont let anyone else play with it..
..VaaV....
Jefft
Super Member
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Posts: 589
Re: What did you do to your motorcyle today?
«
Reply #1986 on:
August 08, 2018, 04:43:23 PM »
When you convert the 630 chain engine sprocket to 530 chain does that not correct the chain alignment. Those conversions were readily available at one time. Can you machine your engine sprocket to get the correct alignment? Or add a spacer.
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Jefft
Super Member
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Posts: 589
Re: What did you do to your motorcyle today?
«
Reply #1987 on:
August 08, 2018, 04:45:22 PM »
I think I have a set of F carb rubbers.
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754
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Posts: 9895
Re: What did you do to your motorcyle today?
«
Reply #1988 on:
August 08, 2018, 05:05:19 PM »
I got it In the frame.
I have F rubbers, not sure they work but should.
I don't have any oil filters .
Rear sprocket has to move out 10 mm idealy. I will try to back the sprocket studs out, use spacers...and maybe mill 1/8 off outer face of rear sprocket to get enough nut engagement.
Then dick with the rear breather hose, it is the size of the cam cover hose barb, the old ones and the tank are about 1/4 inch.
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Feel free to discuss anything I post on here, its an open forum, and I welcome comments and discussion.. I am not the kid who parades his Bat & Ball at the ballpark, but wont let anyone else play with it..
..VaaV....
Jefft
Super Member
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Posts: 589
Re: What did you do to your motorcyle today?
«
Reply #1989 on:
August 08, 2018, 05:25:52 PM »
So you can’t mill anything off the engine sprocket?
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754
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Posts: 9895
Re: What did you do to your motorcyle today?
«
Reply #1990 on:
August 08, 2018, 05:58:14 PM »
I probably could, but not on my small lathe.. I had a bad experience ripping the splines out of a thinner than stock front sprocket, had to pull motor split cases to change shaft.
If I can get the rear studs to move, it will work i have plenty clearance to the shocks I am running..
Wurst case scenario, I run it a while as is.. in 81 orb82 I put avaiL in an early frame, ran it crooked for maybe a season then moticed.
Anybody got an oil filter.. is it true Canuck Tire has them ?
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Feel free to discuss anything I post on here, its an open forum, and I welcome comments and discussion.. I am not the kid who parades his Bat & Ball at the ballpark, but wont let anyone else play with it..
..VaaV....
Jefft
Super Member
Offline
Posts: 589
Re: What did you do to your motorcyle today?
«
Reply #1991 on:
August 08, 2018, 06:12:50 PM »
Canadian tire use to but i’m sure any Honda shop has them in stock. Get off your wallet. Filters are cheap.
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754
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Posts: 9895
Re: What did you do to your motorcyle today?
«
Reply #1992 on:
August 08, 2018, 06:26:49 PM »
I knew I should not have BID on that Performance Machine 5.5 x18 Mitchell spun wheel, with PM rotor.. .. but hey it was the price of a set of spokes...... not to mention the Ceriani GP fork But I was not expecting to lunch my motor.
Live and learn..
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Feel free to discuss anything I post on here, its an open forum, and I welcome comments and discussion.. I am not the kid who parades his Bat & Ball at the ballpark, but wont let anyone else play with it..
..VaaV....
Bucko
1000 Class
Offline
Posts: 2534
Re: What did you do to your motorcyle today?
«
Reply #1993 on:
August 09, 2018, 03:51:24 PM »
Quote from: 754 on August 08, 2018, 05:58:14 PM
Anybody got an oil filter.. is it true Canuck Tire has them ?
The last time I checked, the CT's around here didn't have them (Jefft is right- they used to have them) - maybe it's just the stores in my neighbourhood don't have them?? Worth checking your local CT.
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Galactica
1000 Class
Offline
Posts: 4630
Re: What did you do to your motorcyle today?
«
Reply #1994 on:
August 09, 2018, 05:35:50 PM »
Some times, particularly if it’s a Fram, if you know the filer #, they’ll get it in for you even if it’s not normally on the shelf.
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Past rides:
75 Honda CB750K5
80 Suzuki TS250
? Yamaha Maxim 550
73 Z1 900
76 Kz900 A1
77 Kz1000 A1
78 Kz1000 B2 Ltd
79 Kz1000 B3 Ltd
80 Kz1000 C
99 Triumph Tiger 900
84 Honda VF750 Interceptor
77 Honda CB750
Current ride:
2019 Yamaha Tracer900
Current project:
1975 Honda CB750K5
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