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Author Topic: K1... almost 50.  (Read 1257 times)

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Offline Spanner 1

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K1... almost 50.
« on: July 27, 2019, 10:26:04 PM »
K1... almost 50 :)
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If your sure it's a carb problem; it's ignition,
If your sure it's an ignition problem; it's carbs....

Offline Spanner 1

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Re: K1... almost 50.
« Reply #1 on: July 27, 2019, 10:27:40 PM »
Unrestored, motor never opened !
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If your sure it's a carb problem; it's ignition,
If your sure it's an ignition problem; it's carbs....

Offline dave500

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Re: K1... almost 50.
« Reply #2 on: July 28, 2019, 12:28:30 AM »
that's fantastic!honda would sooner you buy a new bike though?
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Offline BenelliSEI

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Re: K1... almost 50.
« Reply #3 on: July 28, 2019, 06:13:33 AM »
Congrats! Isn’t that a K0?
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Offline MauiK3

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Re: K1... almost 50.
« Reply #4 on: July 28, 2019, 09:35:15 AM »
I didn't think K1's came with K0 side covers.
Wow, unopened engine, cool.
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Offline 34barab

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Re: K1... almost 50.
« Reply #5 on: July 28, 2019, 09:53:44 AM »
Quote from: Spanner 1 on July 27, 2019, 10:27:40 PM
Unrestored, motor never opened !

Are you the original owner?
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Current Projects: 1973 CB750K3; 1972 CB350K4; 1980 CX500D;1969 CB750.  Roadworthy: 1971 CB750K1

Offline beemerbum

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Re: K1... almost 50.
« Reply #6 on: July 28, 2019, 10:08:32 AM »
Quote from: MauiK3 on July 28, 2019, 09:35:15 AM
I didn't think K1's came with K0 side covers.
Wow, unopened engine, cool.
I think K1 also had tank color headlight ears. Chrome came with K2
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Offline dusterdude

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Re: K1... almost 50.
« Reply #7 on: July 28, 2019, 11:51:33 AM »
Quote from: beemerbum on July 28, 2019, 10:08:32 AM
Quote from: MauiK3 on July 28, 2019, 09:35:15 AM
I didn't think K1's came with K0 side covers.
Wow, unopened engine, cool.
I think K1 also had tank color headlight ears. Chrome came with K2
Yes

Sent from my LG-US601 using Tapatalk

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Offline BenelliSEI

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Re: K1... almost 50.
« Reply #8 on: July 28, 2019, 05:11:16 PM »
My 1971 K1 has all the original body work. The fork ears are red and so is the headlamp shell. The side covers are smaller than the K0 and the airbox is black. Also still has HM300 pipes.
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Offline MauiK3

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Re: K1... almost 50.
« Reply #9 on: July 28, 2019, 07:06:41 PM »
Agreed, something is amiss.
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1973 CB 750 K3
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Offline PeWe

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Re: K1... almost 50.
« Reply #10 on: July 28, 2019, 09:28:03 PM »
So the K0 side covers will fit the later bikes?
Oil side is oil tank I thought had different pattern of the holes for covers, left side is the frame.
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CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline Spanner 1

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Re: K1... almost 50.
« Reply #11 on: July 29, 2019, 02:35:16 PM »
It's an early K1 by frame # 105xxxx. Build date 10/70. K1 release date was 9/21/70. I never had the correct ( gold ) h/l ears or gold h/l bucket. They were removed at some point when the bike had a Vetter on it :( . The side covers are correct as Honda 'used them up' before going to the solid ones a little later.
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If your sure it's a carb problem; it's ignition,
If your sure it's an ignition problem; it's carbs....

Offline BenelliSEI

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Re: K1... almost 50.
« Reply #12 on: July 30, 2019, 06:21:18 AM »
Very cool! Thanks for the explanation.
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Offline PeWe

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Re: K1... almost 50.
« Reply #13 on: July 30, 2019, 11:05:52 AM »
K0 by the side cover ears, right?
One example of mixed parts as described earlier about engines. Honda used what they had.
K0 1/2
Very interesting example. Might be wort extra with that history, K0 style and K1 serial.... Chromed lamp ears a la K2 by PO?
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CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline Spanner 1

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Re: K1... almost 50.
« Reply #14 on: July 30, 2019, 10:31:36 PM »
PeWe… the chrome ears and black bucket came off a K4 parts bike. I know I should try to source gold ears and bucket (I've seen them on E-Bay ) but I'm not obsessed by making the bike original. I just love to ride it and it starts and rides like a champion every time ! So, maybe someday. Ride 'em, don't hide 'em at the moment....lol.
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If your sure it's a carb problem; it's ignition,
If your sure it's an ignition problem; it's carbs....

Offline PeWe

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Re: K1... almost 50.
« Reply #15 on: July 31, 2019, 03:25:52 AM »
Good to have parts in stock (garage) when finding them/while still available for future use :)  8)
It might be possible with a swap, another CB750 on this forum might have what you need, that bike need the later parts as your bike has.
« Last Edit: July 31, 2019, 03:28:36 AM by PeWe »
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CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967
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