Foreman 500 rubicon top end rebuild

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Foreman 500 rubicon top end rebuild

Рет қаралды 18,949

Күн бұрын

This is a video of a top end rebuild on a 2016 Honda Foreman 500 Rubicon. This would be the same process for the non-Rubicon models as well as the same as the newer model 420 Rancher. Sorry for the first skip in the first of the video. It did not show the plastic or gas tank removal and I am not sure why the camera didn't record this, but it is fairly self-explanatory.
Parts Used
Valve Seals (Need 2)
alnk.to/hss2N16
Oversized 0.25 mm piston
alnk.to/87VSNRs
Oversized 0.25 mm rings
alnk.to/b7uLtHr
Piston Pin
alnk.to/hDmNLVk
Pin Clips (Need 2)
alnk.to/b7uLtL1

Пікірлер: 36

@hollow_morales9279 3 жыл бұрын

excellent job thanks for your video

@mikecochrane2074 3 жыл бұрын

You have the best videos man, really appreciate watching you work. I just bought a 2006 trx500fe. It had a brand new top end put on it. Piston, rings, pin and cylinder. It still had a slap in it, the powersport shop told the guy it was the rod. Is there any chance that an oversized piston pin can be gotten and the upper rod and the piston hole be machined out to accept the oversized pin? Thanks!

@hollow_morales9279 3 жыл бұрын

very well explained

@guyserenko1354 9 ай бұрын

Just wondering if a guy could throw a new piston and jug in my forman then have the head decked like a few thousands of a inch? would i make good power or is it even a thing?

@stephen65la 2 жыл бұрын

Wish that you were closer to help me getting my 2003 Honda Rincon 650 up and running.

@user-re6bu2gh7g 9 ай бұрын

Watching your videos, what other motor is the same as the 700xx? Like the brute force v twins. Praire, bf, kfx.

@12345678998765432698 Жыл бұрын

I see you didnt replace the cylinder it wasnt messed up at all with the wrist pin having play? Also did you measure the bore to see what over size piston/ rings you needed?

@FourwheelerDoctor Жыл бұрын

I had the original cylinder bored to match the oversized piston I purchased from Honda. I also purchased to same size oversized rings to match the size of the new piston. If the cylinder is not scratched up deep I normally just go the first oversized piston which is 0.25 mm. This will clean of the cylinder walls and straighten out any imperfections in the cylinder. This also will allow for more borings down the road if needed since Honda does Offer Up to a 1.00 MM oversized piston.

@12345678998765432698 Жыл бұрын

@@FourwheelerDoctor awesome thanks for the reply!

@ericyoung7721 2 жыл бұрын

I have the same Wheeler but it's pouring oil in the air box. What could it be? I can ride for a few minutes and it's filled with oil. It's coming from the tube on the left side of the airbox.

@gersonrivera7839 Жыл бұрын

Hola como puedo determimar que piston y aros puedo usar en un 2007 foreman 4x4 es en relacion a (std) (0.25) (0.50) etc etc. Muchas Gracias desde Puerto Rico.

@christianjahn4141 2 жыл бұрын

After I put a new head gasket and torqued everything down , I’m guessing coolant is getting pst the gasket bc it leaks out the sides , is gasket maker of some time needed ?

@christianjahn4141 2 жыл бұрын

It also smokes bad

@FourwheelerDoctor 2 жыл бұрын

You shouldn't have any gasket maker on the base or head gaskets. If you put it on the base gasket the gasket will squish out under the pressure of the head bolts and make it leak. You probably messed up your base gasket

@kcwyrick7947 3 жыл бұрын

I've always called it a rocker box but where do you get your parts from

@FourwheelerDoctor 3 жыл бұрын

Rocker box makes sense. I usually get my oem parts from one of three places. Either mrcycles.com, motorsport.com, or partszilla. The first may take a little longer but is normally cheaper but the last two can get me parts if they have them in stock in a couple days.

@kcwyrick7947 3 жыл бұрын

Thanks for the reply I'm rebuilding a 05 trx500tm I've learned alot from your videos

@kcwyrick7947 3 жыл бұрын

Last question is there a reason you didnt use any assembly lube

@FourwheelerDoctor 3 жыл бұрын

@@kcwyrick7947 it's not a bad idea to use it. I usually just oil my parts before putting them back together.

@georgedesatnik5932 Жыл бұрын

whats torque specs for valve cover ?

@Bigjameskyboy 2 жыл бұрын

Did you put a gasket down for the jug?

@FourwheelerDoctor 2 жыл бұрын

Yes the base gasket is shown at 31:10 and the head gasket is shown at 38:45.

@Bigjameskyboy 2 жыл бұрын

@@FourwheelerDoctor yes sir watched on my lunch break and clearly it's there I just missed it.

@FourwheelerDoctor 2 жыл бұрын

@@Bigjameskyboy lol we watch family feud at my job at the lunch break and you were watching me. If I could just figure out a way to get paid like Steve Harvey I'd be all right.

@terrycalvert7812 3 жыл бұрын

Honda manual says it crucial that the top and second ring end gaps are only 120 degrees from each other you put yours in 180 from each other

@FourwheelerDoctor 3 жыл бұрын

It's critical that the gaps aren't lined up. It's really according on which manual you look at on how they say the gaps should be but they all say don't let the gaps line up.

@terrycalvert7812 3 жыл бұрын

@@FourwheelerDoctor Just wanted your opinion I’m getting ready to rebuild top end on my foreman 500 new jug, piston, rings, valves and it seems everything I read or watch says something different thanks tho

@cruz2808 3 жыл бұрын

What year bike is this?

@FourwheelerDoctor 3 жыл бұрын

2016 but the plastics have been swapped out to newer ones.

@mikecochrane2074 3 жыл бұрын

basically i am trying not to pull apart the engine, and would hope the machine shop could do the connecting rod while in the motor.

@FourwheelerDoctor 3 жыл бұрын

You have to spit the case in order to get the crank apart to get the connecting rod out.

@mikecochrane2074 3 жыл бұрын

@@FourwheelerDoctor yea, I was hoping that there was a way around that, by just doing an oversized wrist pin. and just making the piston hole and the rod hole a very small amount larger to accomodate the size and tolerances.

@FourwheelerDoctor 3 жыл бұрын

@@mikecochrane2074 I've never heard of anybody doing that but that's not to say it can't be done. I don't know if you have that much room on the Piston to make the wrist pin much bigger nor that much room on the end of the rod to make that much bigger. Then there's a chance that it may be the big end of the rod that's making the noise down at the crankshaft

@mikecochrane2074 3 жыл бұрын

@@FourwheelerDoctor yes, i thought about that too. I can feel the play in the wrist pin and rod, but not so much the lower rod and journal. I am looking at getting the crank and rod assembly, just not sure about spending all that money. But yea, if i tear it down, i will be studying your videos, thanks for your time brother!