Author Topic: 1978 CR 250 Honda jetting specs  (Read 3843 times)

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Offline crabman

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1978 CR 250 Honda jetting specs
« on: April 20, 2009, 06:37:14 am »
Hi Gents
Can anyboday supply me with the standard 1978 CR 250 jetting specs? all help is as always really appreciated.Crabman
Old and slow - and happy


magoo

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Re: 1978 CR 250 Honda jetting specs
« Reply #2 on: April 21, 2009, 09:04:37 am »
Main jet:               180
Air jet:                 200
Slow jet:               60
Throttle valve:      2.5
jet needle setting: Second groove
Jet needle:           28A
Air screw:           1-1/4 turn out

That should help

STW996

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Re: 1978 CR 250 Honda jetting specs
« Reply #3 on: April 21, 2009, 12:02:09 pm »
Hey Magoo what colour underpants am I wearing?

You seem to know everthing else

magoo

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Re: 1978 CR 250 Honda jetting specs
« Reply #4 on: April 21, 2009, 01:33:42 pm »
Blue, with a huge big Superman symbol on the front.

STW996

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Re: 1978 CR 250 Honda jetting specs
« Reply #5 on: April 21, 2009, 03:39:38 pm »
Well ok Size for height it's big ;D ;D
« Last Edit: April 21, 2009, 03:41:11 pm by STW996 »

magoo

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Re: 1978 CR 250 Honda jetting specs
« Reply #6 on: April 21, 2009, 04:37:05 pm »
Short and round

Offline Rossvickicampbell

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Re: 1978 CR 250 Honda jetting specs
« Reply #7 on: April 21, 2009, 05:58:07 pm »
I was going to be seriously worried if you got it right Magoo :o

Rossco
1974 Yamaha YZ360B
1980 Honda CR250R - Moto X Fox Replica

Offline crabman

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Re: 1978 CR 250 Honda jetting specs
« Reply #8 on: April 23, 2009, 03:26:19 am »
Main jet:               180
Air jet:                 200
Slow jet:               60
Throttle valve:      2.5
jet needle setting: Second groove
Jet needle:           28A
Air screw:           1-1/4 turn out

many  thanks magoo
« Last Edit: April 23, 2009, 03:29:16 am by crabman »
Old and slow - and happy