Which athena kit do i have?

john cervini /

So i just got a 79 puch maxi sport mkII. I can see athena on the cylinder underneath. There are some other numbers on there as well. It has a 15mm bing, 14mm intake and a bi turbo exhaust. Is there a way to determine what size kit i have? Thanks, John

Re: Which athena kit do i have?

take a picture. that will help us.

Re: Which athena kit do i have?

if it has the 14mm intake, its probably just the piston port 70cc athena. your doing great, though!

Re: Which athena kit do i have?

john cervini /

I will get pics in the morning. Thanks, it was nice not to have to drive too far for this one. I found it on cl about an hour after it posted. I found the transferable registration taped under the seat. It has nice clean snowflakes also.

Re: Which athena kit do i have?

john cervini /

Re: Which athena kit do i have?

john cervini /

Re: Which athena kit do i have?

john cervini /

So i have started looking into this. It has the 15mm bing with a 2.17 atomizer and a 88 jet. Here are some pics of the cylinder and head.

Re: Which athena kit do i have?

Looks like a 70cc Athena and a high comp head.

Re: Which athena kit do i have?

Re: Which athena kit do i have?

john cervini /

Thank you!

Re: Which athena kit do i have?

Overpriced Parts /

Old style normal compression 70cc head

Re: Which athena kit do i have?

john cervini /

Thanks ken. What kind of performance should i expect with this setup?

Re: Which athena kit do i have?

Head gasket?

Re: Which athena kit do i have?

john cervini /

what about the head gasket?

Re: Which athena kit do i have?

Can't tell if it has one. If so, is it metal?

Re: Which athena kit do i have?

john cervini /

it has one but its not metal. It looks like rubber. I cleaned the carb, put fresh gas and she roared to life! There is something hinky about the throttle cable. There is no bend going into the carb just a straight fitting and it's loose. Also there is about 4 inches of extra cable after it goes through the throttle.

Re: Which athena kit do i have?

Then fix it.

And switch to a metal head gasket.

Re: Which athena kit do i have?

john cervini /

throttle is fixed. What is the benefit of a metal head gasket?

Re: Which athena kit do i have?

Better compression, no head leaks.

With everything tuned right you should be upper 40s, maybe 50.

Re: Which athena kit do i have?

john cervini /

ah ok makes sense. i am thinking of taking the za50 off this one and putting it on my magnum xk

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