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BRITISH COLUMBIA CLASSIC MOTORCYCLE CLUB
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Author Topic: Ross’ 1975 CB750  (Read 47874 times)
Twisted_Twin
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15/16ths of the world uses the metric system.
« Reply #210 on: January 30, 2024, 05:10:58 PM »
I always buy the softest organic brake pads I can find.

I don't care how long they last as long as they don't chew up the rotor and stop well.
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It's important to feel comfortable in your own skin because it's illegal to wear someone else's.
Galactica
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« Reply #211 on: January 30, 2024, 07:09:35 PM »
The issue at the moment is one of supply.  Canadian suppliers that I can find are out of stock with no expected delivery date or backordered until end of March/April.  Except the ceramic ones from Fortnine. 

Oddly, the ceramic pads end up being cheaper than the less expensive organic ones.  The ceramic pads are $0.99 over the $49 free shipping threshold.
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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
Galactica
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« Reply #212 on: February 02, 2024, 03:55:55 PM »
So I went back at the carbs again today.  Using the clear tube method, I set the fuel levels at 5mm below the gasket mating surface.  This turned out to be 23mm vs the 26mm spec when using the dry measuring method. 

Then I tried to fine tune the air screws.  Huh, no matter where I turned them, from seated to two turns out, I could discern no difference in engine idle speed.  So I put them back to spec setting, 1 turn out from seated. 

Starts and idles really well, good throttle response but smells rich.  Oh well, I can only do what I can do.  If it becomes an issue then I’ll get Rick from Burnaby Kawasaki to take a look at it for me. 

I’m thinking of putting some insurance on it tomorrow.  Just hoping I don’t have to stop too fast.  Projected delivery of my brake pads is February 15th
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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
Runningdog
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In Dog Beers I've only had one.
« Reply #213 on: February 03, 2024, 08:24:34 AM »
Regarding the air screws, almost sounds like they may have broken tips stuck in the ports.  Air screws have sharp tips when you remove?

If tips are lodged in the tiny orifice, I have had success using a short piece of nipped off sewing needle, to give a flat surface against the stuck point. Grip needle piece in needle nose vice grips, place on air screw tip, and tap vice grips lightly. With the stars alined, the tip should drop down into the float bowl area.
« Last Edit: February 03, 2024, 08:33:47 AM by Runningdog » Logged
Past:  '82 Suzuki GS400E; '82 Suzuki GS750E; '81 Yamaha Virago 750; '82 Suzuki GS650GL; '77 Yamaha DT250; '80 GS 850; '86 Kawasaki ZG1000; '78 XS400; 1971 Motobecane Mobylette; 1980 Yamaha SR250; various parts/project bikes, 2004 ZRX 1200; 1977 CB750K; '73 Triumph TR5T (Vintage Plate) .
Present: ; '75 Honda XL250 (Collector Plate);  '04 Wee-Strom;  1973 Honda CB350 6-million Dollar Project;   1979 GS750E
Galactica
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« Reply #214 on: February 03, 2024, 10:09:44 AM »
Hmm.  Interesting.  I’ll check them out Howard. 
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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
Galactica
1000 Class
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« Reply #215 on: February 03, 2024, 11:15:02 AM »
Quote from: Runningdog on February 03, 2024, 08:24:34 AM
Regarding the air screws, almost sounds like they may have broken tips stuck in the ports.  Air screws have sharp tips when you remove?

If tips are lodged in the tiny orifice, I have had success using a short piece of nipped off sewing needle, to give a flat surface against the stuck point. Grip needle piece in needle nose vice grips, place on air screw tip, and tap vice grips lightly. With the stars alined, the tip should drop down into the float bowl area.

Ya, I didn’t think so.  From what I remembered, the air screws were/are made with a flat tip.  And when I cleaned the carb bodies, I’m certain the ports were clean and I blew them out with my compressor. 

I do know that the pilot screws (as opposed to air screws) on my Kawasakis were long and pointy. 

In any case, I’m not going to worry about it too much just now.  I’ll wait and ride for a bit to assess.  I was thinking of putting insurance on it today.  As of Thursday, the long range forecast was sunny and dry for at least a week and a half.  Yesterday and today the forecast has changed dramatically.  Now it’s not so good.  So I reckon I’ll hold off a bit longer.
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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
hardrockminer
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« Reply #216 on: February 03, 2024, 01:43:07 PM »
Yes, the air screws on Kawis are blunt and not prone to breaking but the fuel screws are very slender and sharp.  Do not over tighten.

Lately we are seeing high single digit temps here in Chase, but a fair amount of rain or fog.  Next week should be a bit cooler but sunny and low single digits.  The Goldwing is ready to go as soon as I see consistent double digits.
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Past rides include a 1973 Suzuki GT380 & a 1975 Kawasaki Z1B

I currently ride a 1975 Kawasaki Z1B - Classic Plated
I also ride a 1980 Kawasaki KZ 1000 LTD - Classic Plated, and a 2006 Honda Goldwing with a Daytona 2+2 sidecar

My Sweetums rides a 2019 Suzuki DR650
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« Reply #217 on: February 05, 2024, 02:26:26 PM »
YOWZA, YOWZA, YOWZA!!!  I got it!  John, you were right!  My assumption that grinding of the pivot lense on the back of the wheel side pad wouldn’t matter was wrong!  Mia culpa.

I had ground it off because the dimensions didn’t work.  When bolted all together, the pad bound against the rotor.  I should have ground off some pad material instead.  Without the pivot lense, the wheel side pad never had full contact with the rotor resulting in diminished braking power.

I removed the pad.  I made a small domed button from a screw head and epoxied it onto the center of the back of the pad.  I sanded off some of the pad material so it would fit.  Reassembled it and today I tried it out in the lane.  WOO HOO!!

Not two finger braking by any stretch, but confident full force braking.  Scared myself a bit when it locked up and the front tire started to wash out.  WOO HOO!   Now I need a stretch of weather so I can insure and ride it.

When my new brake pads arrive that have the proper pivot lense on, I’ll switch out my jury rigged ones.  
« Last Edit: February 05, 2024, 02:35:09 PM by Galactica » Logged
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
kilowop
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« Reply #218 on: February 05, 2024, 10:15:10 PM »
Experimentation and innovation.  AWESOME
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Current rides:                                                      
 2022 Suzuki V-Strom 650                                                         




 
"SOME" PAST RIDES: In no particular order
51 Matchless 500 single      53 AJS 500 single
62 Triumph T-100SS          57 Triumph T-100R
66 Norton N-15 - 750 Scrambler
68 Honda CB 450               68 Honda CB-250
69 Honda CL 450               71 Suzuki 350
73 Suzuki GT-550 Triple      71(?) Honda SL-350
73 Honda XL-250               76 Honda CB-400F
77 Yamaha XS 500             80 Suzuki GS-550E
81 Suzuki GS-750E             81 Suzuki GS1100E           
81 Honda CB-900C
with Hondaline Tour Pak     '02 Honda CB-900F(Hornet 919)
'90 Honda ST-1100 (collector status)
'83 Suzuki GS-750 T  (collector status)        '82 Suzuki GS-550 Katana
'80 Suzuki GS-850 G          '80 Suzuki GS-1000G(collector status)
'06-Suzuki DL-650 V-Strom     '81 Suzuki GS-550 "T" (collector status)
2009 Suzuki Burgman 650 Mega Scooter 
'82 Yamaha Seca 650
'07 Yamaha FJR-1300         82 Suzuki GS-850G-Collector status
'86 Suzuki GS-400ES          82 Suzuki GS-650GL-Collector status
'79 Honda CBX                  82 Suzuki GS-650-G-Collector status
'81 Honda CBX (x2)           82 Honda 450 Hawk
98 Triumph Trophy 900     06 Kawasaki Concours
'05 Suzuki Burgman 650(Super Scooter)
2018 Suzuki Burgman Executive 650 Scooter
Galactica
1000 Class
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« Reply #219 on: February 13, 2024, 06:29:40 AM »
Definitely decided.  Definitely 100%.  Not changing my mind.  Gonna be Planet Blue.
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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
Twisted_Twin
BCCMC Star (5K)
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Posts: 6413


15/16ths of the world uses the metric system.
« Reply #220 on: February 13, 2024, 07:43:37 AM »
Quote from: Galactica on February 13, 2024, 06:29:40 AM
Definitely decided.  Definitely 100%.  Not changing my mind.  Gonna be Planet Blue.

"And this time, I mean it."
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It's important to feel comfortable in your own skin because it's illegal to wear someone else's.
Galactica
1000 Class
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Posts: 4640
« Reply #221 on: February 13, 2024, 08:05:28 PM »
Quote from: Twisted_Twin on February 13, 2024, 07:43:37 AM
Quote from: Galactica on February 13, 2024, 06:29:40 AM
Definitely decided.  Definitely 100%.  Not changing my mind.  Gonna be Planet Blue.

"And this time, I mean it."

Ya but…the Flake Apricot Red is really sweet.
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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
Galactica
1000 Class
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Posts: 4640
« Reply #222 on: February 19, 2024, 06:32:24 PM »
The past couple of days I’ve been reading some older posts on a SOHC forum.  Coming across some posts by Frank.  His passing has left a big hole in the community.
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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
Galactica
1000 Class
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Posts: 4640
« Reply #223 on: February 19, 2024, 07:46:56 PM »
How soon we forget.  Granted my memory, for various reasons, isn’t very good.  What was Frank’s handle?
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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
Galactica
1000 Class
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Posts: 4640
« Reply #224 on: February 19, 2024, 08:01:59 PM »
Doh!!  It just came to me.
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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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