Forum: Engines

Hello, I would like to start off by saying what a great Website You guys have here. I just bought my first Max 6x6 a week ago and have learned alot...

Got a lead on the above engine. Described as "mint". Not sure what that means exactly, but assuming that it is as described, is it worth the $300...

Could someone please tell me the crank size of a jlo 440 & will a 30mm and 25 mm salsbury both fit ? Thanks!! both of these clutches are listed on...

My JLO has great compression and everything is good except my ignition coil so ordering it tomorrow unless I can find one on here.....I'm posting up...

hello im new here. i have a 400 jlo rockwell type 2f400-2 motor number 399 43768 that i need help with . can anyone tell me what year it is ? and...

Ok guys looks like gonna have to use this jlo for a bit till I can get another motor.....was gonna try to fire it up but don't even know where to...

I'd appreciate your thoughts on the question of rebuilding an original Tillotson carb versus purchasing a new walbro.

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

A big thanks to George for sending in several awesome pieces of literature. I just uploaded some JLO wiring diagrams and procedures that he sent me...

Rebuilt a Cuyuna 440. I used the JLO book and it says .083"-.102" so I set the timing at .090" and it acts like it wants to start but I can't get it...

just bought a 74 attex chief the problem is it isn't charging. it has a jlo twin. and none of the wiring diagrams i have or on here mach my attex...

Hey everyone, I just bought a new old stock Cuyuna tach for my 440 in my Attex racer and I was just wondering if someone might be able to point me in...

I have a full manual of the breakdown of every JLO/Rockwell engine out that was in early 6 wheelers so if anyone needs any repair or specs on them...

So in my other thread, I was chasing down an intermittent spark issue which turned out to be the simplest thing of all- the spark plug.. So I got...

I've been trying to fire up my 295 prior to installing it in the frame. I can't get any spark, so far I changed the points, plug and I made a wire...

hello everyone, i just finished rebuilding my jlo440 and installed it back in the bigmax. i tried to start it but cannot get it running. if i...

I was out running my attex and after about an hour of running it wants to stall out. Doesn't seem to be a fuel problem. If I shut it off after that...