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Author Topic: Recutting valve seats  (Read 710 times)

Offline K2-K6

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Re: Recutting valve seats
« Reply #15 on: February 10, 2026, 05:35:02 PM »
An original Honda 750 workshop manual shows simple multi bladed valve seat cutters in the 3 different angles for hand cutting use.
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Offline AshimotoK0

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Re: Recutting valve seats
« Reply #16 on: February 12, 2026, 07:08:57 PM »
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Valve seat cutter set show on the left with main set box open


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Second pic shows main 750 set box and small valve seat cutter set box.
« Last Edit: February 12, 2026, 07:14:18 PM by AshimotoK0 »
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline Oddjob

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Re: Recutting valve seats
« Reply #17 on: February 12, 2026, 07:32:53 PM »
How do the part numbers compare to the ones shown in the 500 manual?
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Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline AshimotoK0

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Re: Recutting valve seats
« Reply #18 on: February 12, 2026, 08:44:52 PM »
Quote from: Oddjob on February 12, 2026, 07:32:53 PM
How do the part numbers compare to the ones shown in the 500 manual?

Not sure Ken .. will check.
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline K2-K6

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Re: Recutting valve seats
« Reply #19 on: February 12, 2026, 08:48:30 PM »
Nice kit there Ash.

Shows they can be cut without grind operation. 

Lovely piece of history too  :)
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Offline AshimotoK0

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Re: Recutting valve seats
« Reply #20 on: February 12, 2026, 10:48:59 PM »
Quote from: K2-K6 on February 12, 2026, 08:48:30 PM
Nice kit there Ash.

Shows they can be cut without grind operation. 

Lovely piece of history too  :)

A guy I know with loads of Alf Brigg's CR parts (Mr. Honda gave Alf the UK CR parts stock   when they stopped racing in late 1967) called me up during lockdown and said he had  found a 750 dealer tool kit and did I want 1st dibs  to buy it ..   I'm thinking .. yes but its gonna be expensive ....  his price to me £110 !! :)
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline Bryanj

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Re: Recutting valve seats
« Reply #21 on: February 12, 2026, 11:56:34 PM »
That was very good Ash, bet it didnt have the vac gauges though!
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Offline AshimotoK0

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Re: Recutting valve seats
« Reply #22 on: February 13, 2026, 03:52:27 AM »
Quote from: Bryanj on February 12, 2026, 11:56:34 PM
That was very good Ash, bet it didnt have the vac gauges though!

Nope! ...I have a set of Davida ones though  .. £20 from Newark Autojumble
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline Bryanj

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Re: Recutting valve seats
« Reply #23 on: February 13, 2026, 04:00:18 AM »
Thats another good deal mate, my Sealeys were £130
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