Forum: Engines

Why is the top of the cylinder air shroud usually missing on JLO singles? Does it cool better without it? Thanks, Danth

what are some differences about the 2 cycle and 4 cycle engine? advantages?

what kind of filters does everyone use for ther Max. Does it matter for the Max II / IV? The only time I've bought a fuel filter is for my truck....

Is anyone running an 18 HP B&S opposed twin? If so how is the performance and is it stock or modified? I have a 1979-80 Max IV that I'm considering...

just ordered my new short block vangaurd motor from jack's small engine got a great deal $679.00 and only $25.00 shipping it will be here next week...

Ok fellas.Seems I have gas coming from carb somewhere while idling and even under a load!!!Took vacuum line off motor and seemed to quit and maybe...

I found a vintage snowmobile site that has a bunch of neat manuals available for download. Mikuni conversion specs, Salisbury clutch stuff, spark...

I would like to know what you think of a 20hp Kohler for a Max IV? It is a 1999 model. Is there anything in particular to look for, if you were...

I was wondering if a carburetor comes pre adjusted from the factory when you buy new! Finally going to change out the single to a double barrel carb!

I have my first 6x6 almost going now,but have run into a bit of a problem.its a hustler 950 with a Honda 18hp motor,it will start but cannot get it...

On to the engine now, I'd like to replace the Carburator on this JLO400 but I cant seem to figure out what I need. I know Im gonna need a Flange...

I have a JLO 440 2-stroke. Should I put a lead additive in my gas tank? The manual says no unleaded gas.

My 2001 max came with a 14hp vanguard... I was told for a little more power get a 16hp carb... so i did.. But the new carb has a silenoid where as...

Hi everybody! I just picked up a 1969 st300 attex with a JLO 300 motor. The motor was frozen up when i got it. I freed the motor, cleaned the points,...

I have a 18hp ic that starts great will run for 5-10 minutes. It starts loosing power and has poor acceleration until it stalls out. I checked the...

At this time I have a Tecumsen engine. Wanting some help with ideas as to what would wwould be the best engine to re engine with. Thanks Mike

Message me if you need the parts or service manals for the M18 and M20 engines. Just include your email adress, and i will get them to you ASAP. I...

I just found a website that specializes in these old motors. If you need any parts, try giving them a call. Growth Products, Inc. Growth Products...

I have a Mikuni 38 mm carb on a Chaparral GB50. It everything works great until I open the throttle up. Then gas starts dribbling out of the...