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Engines and Mufflers Having problems or need advice on Engines or Mufflers?

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Old 11-16-2020, 12:13 PM   #1 (permalink)
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Default Difference OS 61E Carb vs OS61B Carb

Hey Guys! I have a question regarding the two carbs.

What are the main differences betweens these 2?
The 61B came with the OS91 Hz and the 61E is for the 105,
but Rc japan has listed the 61E as also suitable for the 105 Engine?

I'm kind of lost And comparing the part list one by one will be quite time consuming
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Old 11-17-2020, 01:25 AM   #2 (permalink)
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The 61B and the 61E do not have regulators and I doubt there is too much difference between them. So I would expect them to be compatible on the 91 & 105.

The OS 61B-PSII does have a regulator and came on the OS 91HZ-PSS
The OS 61G comes on the 91HZ-R Speed and the 105HZ-R
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