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Engine testing out of frame

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UK Pete:

--- Quote from: AshimotoK0 on December 21, 2017, 06:32:04 PM ---A man after my own heart Pete..That's what I want to do for my CB250/350K engines. I don't think everyone will agree with us though, as I found here in this post :-

http://www.sohc.co.uk/index.php/topic,14569.0.html

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Me personally I think it's a great idea,I don't know this engine so I want to know it' runs ok before going to all the hassle of painting it and fitting it
So it makes sense to me.
Realistically the first thing you do when you fit an engine in a bike is to get it all running and set up before you ride it which means reving it up doing timing with a strobe light, sync carbs check for leaks etc
I personally don't understand the arguments against

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Trigger:
How would you know it was good by running it for a while ?
The pistons in the pictures came out of a bike that one of my customer had bought from a well known importer and breakers . Described as a low mileage bike (2,420) which I can say is correct by the condition of the internals and ran sweet as a nut for the first year (700 miles), with good compression until number 1 cylinder started to lose compression due to it had been sitting about for 40 plus years. The compression was good until the rust burnt off  ;)
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UK Pete:

--- Quote from: Trigger on December 22, 2017, 01:57:12 PM ---How would you know it was good by running it for a while ?
The pistons in the pictures came out of a bike that one of my customer had bought from a well known importer and breakers . Described as a low mileage bike (2,420) which I can say is correct by the condition of the internals and ran sweet as a nut for the first year (700 miles), with good compression until number 1 cylinder started to lose compression due to it had been sitting about for 40 plus years. The compression was good until the rust burnt off  ;)
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Oh wow , yes a good point

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UK Pete:
Here is the link https://youtu.be/3i-E6HajdSA
Well I had some spare time so I got it all plumbed in , spun it over with rocker cover off to make sure oil was circulating then fired it up , oh wow it's a nice engine will need carbs tuning as it's lumpy on tick over, but a total success on my engine tester, so plan is to tune it all up get it running   sweet then paint it so it's ready for installation


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Nurse Julie:
Very good Pete, I love a bit of a Heath Robinson inventing.

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