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Tree Monkey 661

Moparmyway

Its just a saw
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all ya want to talk about is the old out dated junk?
I didnt ask about anything old or outdated ..........
I asked about transfer shape in the Redbull 661, are the roofs still splayed or flat ?
Do they open at the same time ?

A one word answer to each of those questions would put a smile on my ugly mug !!
 

Keith Gandy

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Yeh but the only difference in a 660 would be the big rod bearing. I think case capacity is the same.
Are the wrist pins the same and the difference in the bearing O.D. ? Are there 2 different wrist pin 064s?
 

Keith Gandy

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No Keith, wrist pins didn't vary in 064s
But the bigend bearing on the 064/ early 066 r the same but the later 066/660 are bigger? Then the diplacement of the cylinder on the 064/066 makes the difference instead of the 440/460 being in the smaller crankcase?
 
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