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bing carb
bing carb
This is off of a 1974 R90/6 ?
- schrader7032
- Posts: 9065
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Re: bing carb
That said, generally the two carbs should be the same but you will need to verify the jets and needle sizes and positions. Finally, you will need to rebalance and likely do a plug chop to ensure that the settings are correct.
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
Re: bing carb
- schrader7032
- Posts: 9065
- Joined: Fri Oct 27, 2006 3:00 am
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Re: bing carb
Plug chop is where you find a safe location somewhere nearby and run the bike in a middle throttle setting for say a minute. Then, were safe, shut the throttle and pull the key to shut the bike off. Coast to a spot where you can pull the plugs and see if they're similar and not too white or dark.
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
Re: bing carb
- srankin
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Re: bing carb
My friend at the Beemer Barn just this summer had a bike in with performance issues. Turns out it had two different carbs. The problem was sorted after a fashion by tuning one carb jet and needle setting different from the other side. The jury is still out as to if that actually solved the problem or not as it is winter now and the owner isn't riding.
I guess I am saying, I myself would rather have matching carb bodies and not take the chance there is some subtle difference that has to be taken care of.
IF the only choice was to use two different carbs, I would be on the email with Bing.
There are a lot of R90/6 bikes around in the parts yards, Ebay isn't the only source of parts, just saying. Good luck, St.