LTZ 400 Gets A New Top End Rebuild

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LTZ 400 Gets A New Top End Rebuild

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Күн бұрын

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This video is about LTZ 400 Gets A New Top End Rebuild

Пікірлер: 52

@williamroloson2553 4 жыл бұрын

I found it easier to put the piston in the cylinder before putting the wrist pin in. Less screwing around i think.

@ChadMyers73 4 жыл бұрын

Thanks for the tip.

@daynemartin1807 3 жыл бұрын

I have buddies that are harley guys and they all put the piston in the jug just to the bottom of the oil ring land, seems to make assembly a lot smoother and less time that the flywheel is exposed.

@emfl4437 3 жыл бұрын

Thanks for the video, this is an excellent resource.

@ChadMyers73 3 жыл бұрын

Your welcome!

@jordanstanga1371 4 жыл бұрын

The Cummins intro😂

@draggerlane04090 4 жыл бұрын

So you rebuilt this with 94mm bore and left the top end stock. Wouldn't that choke the motor? I would go with kibblewhite diamond valves, kibblewhite diamond spring kit, with a stage 2 hotcams, Keihin FCR Carburetor. And for the exhaust I would do a full aftermarket replacement like a Big gun or Yoshimura RS-2 Series Slip on muffler with a FMF Powerbomb header. Then that upgrade will be complete. My experience you can't just change the jug and piston and expect performance gains.

@ChadMyers73 4 жыл бұрын

Stock cams and bigger piston and cylinder

@corylangille1869 4 ай бұрын

J/W, Have you done this already?

@bayouboattrash 4 жыл бұрын

YAAAAY TOOL TECH TUESDAY!!!!!!

@ChadMyers73 4 жыл бұрын

Will have some Olsa tools on today!

@jameshoffman8223 4 жыл бұрын

Chad Myers73 is there any bottom end rebuild video on the z400 I’m working on mine and running into problems assembling the transmission

@bayouboattrash 4 жыл бұрын

Dude, as far as the weather it's not much better down south. I'm north bound in the Mississippi River and as soon as I came through I-10 bridge it was like someone flipped a switch. From heavy fog to 35 mph winds and holding. Mother nature is angry.

@ChadMyers73 4 жыл бұрын

Gotta love Ohio weather...

@bayouboattrash 4 жыл бұрын

Lol, Louisiana isn't much better.

@ltr_madness8686 3 жыл бұрын

I just rebilled mine and the anifrez part of the gasket broke and it is burning anifreaze

@user-mf4dv9yb7r 5 ай бұрын

I would like to get an LTZ 400, could you tell me what extraordinary maintenance it has? and every how many hours? for example piston

@ChadMyers73 5 ай бұрын

I didn’t care for those engines at all. Parts are becoming harder and harder to find.

@user-mf4dv9yb7r 5 ай бұрын

@@ChadMyers73 I come from the world of motorbikes where a piston is changed about every 60 hours, but with an LTZ I would use it in the countryside and in the woods, so I wanted to know if it is necessary to change the piston every few hours, and if so how often?

@ChadMyers73 5 ай бұрын

Just like all other 4 strokes they need changed about 50 to 75 hours. With 2 strokes being about 25 hours

@lt-z-quadnation6644 3 жыл бұрын

How was the chain to do? I’m wanting to do mine but reluctant to do it. The bike has very low hrs and I’m not sure it needs it but I know it couldn’t hurt.🥴😬

@ChadMyers73 3 жыл бұрын

I found it fairly easy to do just make sure and count your links

@luisrey965 Жыл бұрын

What is the gap on the cam?

@GuitarGuys7299 4 жыл бұрын

Forgive me for the noob question, but what does the big bore kit bring the CC's up too?

@ChadMyers73 4 жыл бұрын

It makes it a 440 and the only dump ? is the 1 that is unasked.....

@GuitarGuys7299 4 жыл бұрын

Will there be a part 2 video?

@ChadMyers73 4 жыл бұрын

Yes ran into a issue...

@chrisd3399 3 жыл бұрын

Heyyy i have a question (might be stupid question) my exhaust cam was causing a ticking noise on my LTZ 400 i figures since im going in the engine and replacing it id doo a top end, does my cylinder have too be Rehoned ? Or am i aloud too just throw a new OEM piston in there with fresh rings

@ChadMyers73 3 жыл бұрын

I would say it probably depends on how much where are scarring is in the cylinder

@chrisd3399 3 жыл бұрын

@@ChadMyers73 thank you!!

@ya_plohoy8717 4 жыл бұрын

Спасибо! Ты мне помог найти свою ошибку.

@luisrey965 Жыл бұрын

Grate video

@ChadMyers73 Жыл бұрын

Thanks for watching

@danpmatz 4 жыл бұрын

I have a Z400 that was parked about 4 years ago I drained all the gas and clean the carburetor could not get it to start I put a compression gauge on it and it is reading 0 I don't see how it could have blown up not running any ideas?

@ChadMyers73 4 жыл бұрын

Did you put oil in the cylinder and do a compression test that way also. If you do that and you then have compression then the rings are rusted and stuck. You'll just have to re-ring it. Hope this helps and thanks for watching!

@danpmatz 4 жыл бұрын

@@ChadMyers73 do you think just stuck Rings would have it reading as low as 0

@ChadMyers73 4 жыл бұрын

Dan Matz Yes it is possible. Put a tablespoon of oil in the cylinder and recheck if still no compression than there is a valve issue.

@troymcconnell6147 3 жыл бұрын

i would put some pb blaster in cylinder and roll it down hill in highest gear without a spark plug ... should a break loose without any damage... works for me

@troymcconnell5832 2 жыл бұрын

@@danpmatz add oil to cylinder, with spark plug removed, find and transcend down big hill in gear, 3rd gear preferably, insert spark plug and wire, should fire up and be good

@the_ltz_guymaster7912 4 жыл бұрын

Who buys the cheapest piston always get weisco

@ChadMyers73 4 жыл бұрын

I did haha

@chrisd3399 3 жыл бұрын

I got weisco piston mine came un marked cant tell which in take or exhaust so idk if im putting my piston in backwards

@germansantini2514 3 жыл бұрын

How much is the camshaft torque

@ChadMyers73 3 жыл бұрын

The caps get torqued to 10nm or 7ft lbs.

@tobiasneureiter7625 4 жыл бұрын

Nice vid but where is the testfire?

@ChadMyers73 4 жыл бұрын

Well we found another issue with the engine that needs to be addressed with the cases. I will have more info soon. Thanks for Watching!

@nicolaealingna9170 4 жыл бұрын

hey nice video !!!! keep it going ...i just buy one ltz and anything you do can help me in having a good working atv

@ChadMyers73 4 жыл бұрын

Thanks for watching! It will be back in the shop soon for more work so stay tuned....

@taylorf5924 4 жыл бұрын

I’ve been told Namura is a bad brand anybody else think 🤷‍♂️. Jus sayin

@ChadMyers73 4 жыл бұрын

I’ll be the 1st to admit I really don’t know much about the aftermarket world of these bikes. I found it on Facebook marketplace. 🤷‍♂️ Thanks For Watching!

@troymcconnell5832 2 жыл бұрын

i have been running Namura big bore kit for some time now ... no complaints here