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BRITISH COLUMBIA CLASSIC MOTORCYCLE CLUB
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Ross’ 1975 CB750
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Topic: Ross’ 1975 CB750 (Read 25666 times)
Galactica
1000 Class
Offline
Posts: 4486
Ross’ 1975 CB750
«
on:
September 08, 2023, 06:00:02 PM »
So, I bought this 1975 CB750 last Monday. Running when parked…15 years ago. Rode hard and put away wet. Lots of corrosion. Oh well. I paid but lots and lots of corrosion. That’s the bad stuff.
It’s complete and original. 23,000 miles. Chrome is mostly pretty good and should buff up ok. Tank is not bad inside, no dents. Side covers are badly broken though. Seat pan has/is turning to dust.
«
Last Edit: September 08, 2023, 06:27:14 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
Galactica
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #1 on:
September 08, 2023, 06:22:14 PM »
I’ve been working on it quite a bit. Carbs disassembled, cleaned, and reassembled with no new parts, fingers crossed. It came with a K&N air filter. Tore down the front end. OMG! Worse than I’d hoped (only to be expected though). The brake bleed screw welded itself to the caliper body. Fork seals are shot. Fork tubes are really really shot. Steering head bearings are shot. Handle bar switch blocks are seized. Every nut bolt and screw requires a Herculean effort to remove. One spark plug was dead. One spark plug cap was dead. Electrics mostly don’t work.
The good stuff is. The valve clearances were good. Pouts look good (didn’t check gap or timing, assuming they’re ok). Compression is 145, 130, 160, 150. Bby Kawasaki is giving me a pretty good deal on Shinko tires so I ordered some in the event. I’ve put together a parts list of stuff it needs. So far it adds up to $1600. I bought a battery for $70 and various chemicals for $100. I’ve got a rough price of $1500ish for paint.
I’m gonna do a colour change to Planet Blue. There’s a reason for it. I’ve been looking for a ‘75 CB750 candidate for about 15 years. I had a ‘75 Planet Blue CB750 when I met my wife in 1977. So it’s gonna be blue.
«
Last Edit: September 08, 2023, 06:27:38 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
Galactica
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #2 on:
September 08, 2023, 06:29:22 PM »
What’s the best way to remove this bearing race?
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
Runningdog
1000 Class
Offline
Posts: 4899
In Dog Beers I've only had one.
Re: Ross’ 1975 CB750
«
Reply #3 on:
September 08, 2023, 06:34:27 PM »
Cut it with a cutting wheel on a grinder, reeeealy carefully, part way thru.
Take some good piccies of the switches and I'll see what I've got. Driving to Chilliwack on Tuesday, maybe we can meet...I can bring the box of switches.
Might have some nice turn signals, too.
«
Last Edit: September 08, 2023, 06:44:33 PM 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
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #4 on:
September 08, 2023, 06:44:34 PM »
How fortuitous. Roy, Bob, and I are heading out to Chilliwack in the morning to deliver a motorcycle. Should be out there around 10:30-11:00. I’ll try taking pics of the switch blocks, but they’re hanging off the bike. And they’re a bit of a pain in the ass as the wires run inside the bars.
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
Galactica
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #5 on:
September 08, 2023, 06:52:53 PM »
Switch blocks.
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
hardrockminer
BCCMC Star (5K)
Online
Posts: 5398
Re: Ross’ 1975 CB750
«
Reply #6 on:
September 08, 2023, 07:14:47 PM »
Watching with interest. I've seen a few CB750's lately and am considering buying one to restore. The only Z1's out there nowadays are restored and not cheap.
Logged
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
Galactica
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #7 on:
September 08, 2023, 07:59:56 PM »
Hey Bill,
Nothin’s cheap. You know very well how it goes. So easy to sink a ton of $ into a motorcycle project. Just have to go in eyes wide open. This bike I have, I plan on keeping as a really nice rider. Probably not anywhere near perfect. I may not even take out the motor. I may not even be able to get a collector plate.
The ‘75s are not all that much in demand, so not particularly valuable, except to me. Off the top of my head, I see $7,000. That may well be light. For a bike that might fetch $5,000+. But this bike will be with me for a while. I reckon it’ll be good for when the Tracer900 becomes too much bike and I no longer feel the need to moto tour.
But man, I’m looking forward to getting this girl going. Gotta come up with a moniker for her.
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
Galactica
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #8 on:
September 08, 2023, 08:27:57 PM »
Man, I really like working on these carbs. So simple, easy.
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
Steve G.
1000 Class
Offline
Posts: 4290
Re: Ross’ 1975 CB750
«
Reply #9 on:
September 08, 2023, 10:21:51 PM »
‘75 small tank Honda 4’s are great bikes, you’ve got a keeper.
Logged
Garage Residents:
'74 Honda CT70
'74 Norton 850 Interstate
'81 Laverda Jota Mk11 180
'89 Honda RC30
'91 BMW R100GS
'08 Honda XR650L
'08 BMW R1200GS
Previous Garage Residents
1966 Keystone Tas 50
1981 Can-Am 250 MX6
1966 BSA 250 Starfire
1976 Honda 400-4 Supersport
1982 Can-Am 500 Sonic
1984 Kawasaki KZ 750 L4
1979 Honda CBX
1988 Ducati 750 Paso 750 Euro
1972 Suzuki 750 GT ‘Kettle’
1972 Kawasaki 750 H2
1993 BMW R100GSPD
1984 Honda CR500
1979 Honda CBX sandcast
1975 Honda 400-4 SS
2001 Moto Guzzi V11 Sport
2006 Yamaha FJR 1300
1972 Norton Combat Roadster 810
1972 BMW R75/2 SWB
1980 Honda CBX
1970 Honda Z50
rz5mark
1000 Class
Offline
Posts: 1817
Re: Ross’ 1975 CB750
«
Reply #10 on:
September 09, 2023, 06:33:22 AM »
Nice project, great to see wrench's being turned.
Logged
kilowop
1000 Class
Offline
Posts: 2080
Re: Ross’ 1975 CB750
«
Reply #11 on:
September 09, 2023, 09:07:57 AM »
I have a box full of various "OLD" cables in good condition if you want good/old rather than buy new. Measure lengths., and show photos of the ends, and I might have some you need. Choke, Brakes lines, clutch, etc. A few of everything. Yeah, I'm a Hoarder who hates to throw 'good' stuff out.
Logged
Current rides:
2022 Suzuki V-Strom 650
'81 Suzuki GS-550 "T" (collector status)
2009 Suzuki Burgman 650 Mega Scooter
"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
'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
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #12 on:
September 09, 2023, 01:20:44 PM »
Quote from: kilowop on September 09, 2023, 09:07:57 AM
I have a box full of various "OLD" cables in good condition if you want good/old rather than buy new. Measure lengths., and show photos of the ends, and I might have some you need. Choke, Brakes lines, clutch, etc. A few of everything. Yeah, I'm a Hoarder who hates to throw 'good' stuff out.
Ya, ok. Thanks Ron. I’ll try and do that today. Was thinking I might place an order today but maybe I’ll wait until next week. Best to chew on it a bit longer.
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
Galactica
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #13 on:
September 09, 2023, 01:29:58 PM »
So, I have the bike strapped onto the lift with the front end off. I pushed it out into the lane and did a pressure wash. I got soaked. The bike looks much more appealing already.
Took the forks apart this morning. OMG. The thick, black, stinky stuff that was in there was so gross. Eeww.
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
Galactica
1000 Class
Offline
Posts: 4486
Re: Ross’ 1975 CB750
«
Reply #14 on:
September 09, 2023, 01:58:15 PM »
Ron,
Need both throttle cables.
Push cable: housing is 0.92m, cable is 0.98m. On the left in the picture
Pull cable: housing is 0.925m, cable is 1.010. On the right in the picture
«
Last Edit: September 09, 2023, 02:15:38 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
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