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TOPIC: 1973 'Rude 135 compression

1973 'Rude 135 compression 9 years 10 months ago #114554

  • 63 Sabre
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Have a chance to pick up a 1973 135hp for next to nothing. Compression is 150 and then 65 - 55 - 60. With three out of four with bad readings could it be rusty reeds? Motor has been sitting for beau coup years. I have reeds that would fit it.
Guessing here, but with good compression on one cyl does that rule out bad crank case seals??
Opions????

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Re: 1973 'Rude 135 compression 9 years 10 months ago #114555

I would worry bad rings / scored bore.... Only way to tell is pull it apart.

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Re: 1973 'Rude 135 compression 9 years 10 months ago #114557

  • VinTin
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Reeds don't play a role in compression, so it's not the reeds.

www.animatedengines.com/twostroke.html

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Re: 1973 'Rude 135 compression 9 years 10 months ago #114558

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ok, so it's a parts motor. the starter alone is worth more than I would pay. The underling reason is because it has tlt which I need for my meteor :laugh: I know the alum is $35., did that with a 75hp last month.
Already told the admiral I was going to pick it up.
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