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CB200 carb issues

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McCabe-Thiele (Ted):
I had a genuine Bosch plug cap fail on an almost new Opel Rekord 1.9  Coupe on my way to Cornwall circa 1973 causing my car to drop onto 3 cylinders.
Had to improvise with my daughters nappy pin as a connector into the plug lead to complete the rest of the journey from Bridgewater where it became almost undriveable dut to it being an automatic.

Johnwebley:

--- Quote from: McCabe-Thiele (Ted) on March 10, 2023, 02:54:13 PM ---I think most of us have done something similar when doing rebuilds when the old parts  pile gets too large
Is the replacement coil branded?
Is there an alternative that you could try or borrow from a member?

Might be worth trying the original part number to find a  replacement.
Is this yours 30500-306-673 ?

Have you tried the tests on page 63 of the service manual in Ashs dropbox?

.
https://www.squaremotorcycleparts.co.uk/products/ignition-coil-honda-cb200-cb-200-1976-1979?variant=41572787355802&currency=GBP&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic

--- End quote ---
I have asked Square For the specifications

Ohm for the coil

Not much point in getting the same again,

Seen some as low as 4,

????

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Johnwebley:

--- Quote from: Oddjob on March 10, 2023, 04:35:49 PM ---How sure are you that the new HT caps are not fakes, lots of them around and they fail like you state. I had one HT cap that failed when it got hot many years ago now, acted just like that and that was on a four cylinder, just wouldn't rev past 6K. Just cause it's new doesn't mean it can't be the fault.

--- End quote ---
Will try others



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Sesman:
Try ‘Green Spark Plug Co’.  I’m pretty confident they only supply original items judging from what I’ve been supplied with in the past. I’m pretty much convinced your issue is ignition break down.

Johnwebley:

--- Quote from: Sesman on March 10, 2023, 08:17:08 PM ---Try ‘Green Spark Plug Co’.  I’m pretty confident that only supply original items judging from what I’ve been supplied with in the past. I’m pretty much convinced your issue is ignition break down.

--- End quote ---
Thanks

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