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Post  nico010 Sat Jan 30, 2021 12:31 pm

Hello everyone. I got a question from a conversation I had with a friend this morning.
Is there a difference between the needle valves of the older engines (with built-in tank) and the newer ones? I know of needles with fine and coarse threads .... but they are not in this type of engine.
thanks in advance
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Post  Cribbs74 Sat Jan 30, 2021 1:24 pm

nico010 wrote:Hello everyone. I got a question from a conversation I had with a friend this morning.
Is there a difference between the needle valves of the older engines (with built-in tank) and the newer ones? I know of needles with fine and coarse threads .... but they are not in this type of engine.
thanks in advance

Yes, the older needles had a larger diameter adjusting knob.
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Post  nico010 Sat Jan 30, 2021 2:28 pm

ok but in the needle itself ... is there a difference in the finest part?
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Post  Cribbs74 Sat Jan 30, 2021 5:51 pm

I don’t think so as they are interchangeable, but I would have to look close and see.
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Post  davidll1984 Sat Jan 30, 2021 8:08 pm

Yes y tink is smal reses two step like some neadle straight Not sur wy ?? Y wil verify on m'y older bee compare To new one if y am correct tink is slight Difrent
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Post  KariFS Sun Jan 31, 2021 3:25 am

Here’s a side-by-side picture of a new and an old style needle. Not a lot of difference as far as I can see in the functional area. The older one has a bit more of non-threaded length close to the ”business end” and the knob is obviously different.

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Post  davidll1984 Sun Jan 31, 2021 10:23 am

differences between needle valves 16121010
differences between needle valves 16121010
Two neadle bit difrent on the older one its like angle Not square like the new one hard To explain
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