Author Topic: Hello from Filey  (Read 1630 times)

Offline Frankie 2 sheds

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Re: Hello from Filey
« Reply #15 on: November 06, 2017, 07:52:16 AM »
Looks a mitch and match, if you post the frame and engine numbers I will check my Honda ID book for you

Hope you can help Eng No CB750E-2466572. Frame CB7500-1010765 Thanks.....Frank

Offline Bryanj

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Re: Hello from Filey
« Reply #16 on: November 06, 2017, 04:13:26 PM »
Engine should be CB750k'76, FRAME SHOULD BE 1970 EARLY

Offline Frankie 2 sheds

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Re: Hello from Filey
« Reply #17 on: November 06, 2017, 04:24:40 PM »
Sorry to be a bit thick Bryan, what does that mean. Is it the original engine/frame or what

Offline royhall

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Re: Hello from Filey
« Reply #18 on: November 06, 2017, 04:40:46 PM »
Engine should be CB750k'76, FRAME SHOULD BE 1970 EARLY
Something wrong there Bryan. The alloy footrest mount is unique to the F2 frame and will not fit the K's. Possibly the frame number has been doctored?
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Offline Bryanj

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Re: Hello from Filey
« Reply #19 on: November 07, 2017, 06:43:41 AM »
If its an F number should read CB750F-1******, i was taking the extra 0 as finger trouble but if it should be F you are correct

Offline Yamahawk

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Re: Hello from Filey
« Reply #20 on: November 09, 2017, 10:59:26 AM »
Hi Frank,
  Nice bike! You should enjoy riding the wheels off of it. Welcome to the forum!
Charlie

Offline Frankie 2 sheds

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the plot thickens
« Reply #21 on: November 09, 2017, 11:34:22 AM »
O.K. We were more or less summizing that I was in poccesion of a 78ish F2 right. Wrong, it now appears after a clever cb750 buff had a look at it, that I have an F2 frame with a K6 painted engine with F2 carbs. What issues this mis match might drum up is anyones guess

Offline hairygit

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Re: Hello from Filey
« Reply #22 on: November 09, 2017, 12:00:14 PM »
I'd certainly change the carbs for a set from a K model or F1, the F2's PD carbs can be serious aggro to keep clean internally and awkward to keep running right, seeing as originality isn't crucial!
If it's got tits or wheels, it's hassle, if it's got both, RUN!!!

Offline K2-K6

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Re: Hello from Filey
« Reply #23 on: November 09, 2017, 01:32:02 PM »
At least the valve guides should be ok then  :)

Offline Frankie 2 sheds

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Re: Hello from Filey
« Reply #24 on: November 09, 2017, 01:41:57 PM »
Thanks for that Hairygit. The guy who looked at it confirmed the same. He actually said the inlet ports on the F2 are bigger than the K's and that the F2 carbs run lean. So I now have a set of spotless F2 carbs that have been serviced and vapour blasted that I can't use, great start.

Offline Frankie 2 sheds

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Re: Hello from Filey
« Reply #25 on: November 09, 2017, 01:46:08 PM »
At least the valve guides should be ok then  :)
  Thanks for that, is your glass always half full?

Offline K2-K6

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Re: Hello from Filey
« Reply #26 on: November 09, 2017, 02:44:08 PM »
A lot of people's don't like the PD carbs and just base it on getting them going if the set has suffered no use and things have got gummed up.

I think they are the right way to run an engine and offer an advantage over the older types.

They don't run lean as such,  just closer to optimum for an engine to be efficient while adding extra fuel just under acceleration. Just when it's needed in other words, and not rich all the time to make the oil diluted with unburnt fuel. Properly cleaned and setup they're good carbs and no reason not to use them.

The valve guides for F2 are well covered on here.  Honda seemed to have stretched a little too far on this aspect, but if you've not got them then it'll not give you problems in that area.

Offline haynes66

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Re: Hello from Filey
« Reply #27 on: November 09, 2017, 05:33:53 PM »
those PD carbs are rubbish so i'll take them off your hands cheap like! if you do sell them, let me know.
pete.
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Offline Frankie 2 sheds

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Re: Hello from Filey
« Reply #28 on: November 11, 2017, 09:58:59 AM »
A lot of people's don't like the PD carbs and just base it on getting them going if the set has suffered no use and things have got gummed up.

I think they are the right way to run an engine and offer an advantage over the older types.

They don't run lean as such,  just closer to optimum for an engine to be efficient while adding extra fuel just under acceleration. Just when it's needed in other words, and not rich all the time to make the oil diluted with unburnt fuel. Properly cleaned and setup they're good carbs and no reason not to use them.

The valve guides for F2 are well covered on here.  Honda seemed to have stretched a little too far on this aspect, but if you've not got them then it'll not give you problems in that area.
[/quote

I think I will attempt to use them when the time comes K2. They are in mint condition. I think it's time I moved over to the cb750 link before the moderator comes calling as my introduction has gone on long enough.....Thanks again.....Frank

 

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