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Oh, that is good to know Jens- thanks! I have been trying to start it in my unheated basement at about 45 degrees F!

Thanks Al, yes it has a slide over a slot in the tube that feeds fuel to the cylinder. Now that you mention it, I find that it only pops with the hole completely covered which may indicate that air is getting in somewhere else in the line or I am not getting enough suction to pull a large amount...

Thanks Jens, I can hear the "poof", but how do I know if I am getting fuel all the way to the cylinder vs. just air making the "poof"? I will work on this area more... hopefully get it going on it's own soon- thanks for the help! Stuart

Yes, if I just pull the piston either way in the cylinder with palm on other end and the ports covered it sucks my skin and holds it. Not scientific but seems to be adequate? I lapped them to each other so should be pretty tight in any event!

I have completed my version of Jan Ridders 2 stroke design and could use some help getting it running! This is my first engine build so still trying to ramp up. I adjusted his plans to use materials I already had and converted to inches but maintained all the critical dimensions-...

Well, this is what I have so far!

Hello all, looking forward to participating here! Snowy day here in New York so great day to build engines in the basement! Working on my first, Jan Ridders Puppy. Have most everything built now, just finishing getting all assembled and working through the ignition so hopefully a test run in my...