exhaust

I'm hoping I can get some help identifying the size of these threads on this engine. I picked up a replacement engine for my garden tractor and all is good except for the threads in the exhaust ports. This is a Briggs opposed twin flathead, model 422447. The previous owner tried to thread 3/4"...

I repainted the green Yanmar to an International paint code. Motor runs just fine but I am getting black sludge from the exhaust. New injectors and pump looks clean and fine.

Clean the regen exhaust filter

Been trying to revive an old 8N after sitting for 7 years. 6 volt, with front mount distributor. Have replaced a fair bit of parts, new gas tank, fuel line, sediment bowl, and all 3 screens. Passes fuel flow test from carb without problem. New points, condenser, distributor, square coil, and...

Good evening, I am battling a John Deere x485 exhaust leak this week. Kawasaki 2-cyl FD711D. Ive replaced both the metal gaskets, but I notice the exhaust pipe flange doesn't seat very flat to the motor exhaust port on either side. They appear to be slightly warped. Can I flatten the pipe...

Ford/NH 1215 has white wispy smoke in exhaust when under a load. The exhaust has a very strong oder. Engine sounds good with no noticeable loss of power. Oil level remains constant. No loss of coolant. I know I should have a compression test done but wanted to educate myself a little before...

Bought a new muffler on Ebay. Went to a local metal fabricator and had him create a new exhaust pipe. He did a really good job ! It's noticeably quieter than it was before. He also fab'd a nice heat shield.

I wanted to do a write up of my experience with my 2021 Mahindra 4540 here on the forums to hopefully give other owners who may be Googling the same issues with their tractor. The General Situation: If you haven't seen my other posts, I purchased my 4540 4wd FEL in October of 2021 brand new. I...

Not quite sure if this is the right forum for this question, but I'm looking to change the exhaust on my Pasquali 986 for a non-standard quieter one. It's working fine with the current exhaust but it's very (that's very) noisy so I was wondering if it would help if I put a different exhaust on...