Author Topic: My First 88 LT500 Build (Read 38517 times)

Chuckie25 · « **Reply #400 on:** August 20, 2013, 11:20:12 am »

i just pulled my arm down so i could hook up the rod and snap the linkage on. i dont believe it matters,,,, now watch me be wrong LOL

Buckeye513 · « **Reply #401 on:** August 20, 2013, 12:07:08 pm »

That's the thing Chuckie Matt completely disassembled my power valve when he did his "trinity touch up" port job because my stuff wasn't done when he originally told me it was like the lying POS he is. I also had to order 4 of the PV assembly parts that he never sent back. Anyone with experience please chime in I'm at the shop this is all that's keeping me from getting my engine back on the bike right now and kicking it over.

Buckeye513 · « **Reply #402 on:** August 20, 2013, 01:31:49 pm »

Screw if I'm gonna hook if all up with it in the open position and hope for the best.

Dragzilla346 · « **Reply #403 on:** August 20, 2013, 01:56:55 pm »

correct me if im wrong, but it should be open at idle until about 4000 rpm or so then close off. spring should be about a turn and a 1/4 tension or so?

Cunningham_821 · « **Reply #404 on:** August 20, 2013, 02:00:09 pm »

The powervalve will be open at idle and roll closed. i have mine blocked off they dont do much imo.

Buckeye513 · « **Reply #405 on:** August 20, 2013, 02:07:02 pm »

Well doesn't matter now cause as I'm tightening the retainer bolt the arm on the power valve snapped off like a twig! Effing pissed I hope power valves aren't expensive.

Cunningham_821 · « **Reply #406 on:** August 20, 2013, 02:10:30 pm »

If your gonna do alot of drag racing id just block it shut. you will never know the diffrence as it rolls shut as you rev for your holeshot. I took everything powervalve related outta my motor except the powervalve itsself. next time i have my topend off im making a dummy plug on the lathe to take its place.

Chuckie25 · « **Reply #407 on:** August 20, 2013, 02:14:54 pm »

Oh hell!!!!

Buckeye513 · « **Reply #408 on:** August 20, 2013, 03:08:10 pm »

Gonna be trail riding occasionally Cunningham so I'm gonna just order the valve and eat my medicine. My dads buddy put it in perspective for me he said other than that retard keeping your parts for 4 months and not doing anything to them this is the only setback you've had this entire build. Which is true so ill just eat a new valve if they still make them and roll with it.

MD2smoker · « **Reply #409 on:** August 20, 2013, 03:57:25 pm »

What part do you need? Part #16 in the diagram is the arm that attaches to the barrel.. Its like $3. Might not be a bad idea to replace the springs at this time too. I think i got an extra somewhere if you want it. I fugged mine up doing my top end and rmatv sent 2 by mistake. The spring that is.

Buckeye513 · « **Reply #410 on:** August 20, 2013, 04:35:19 pm »

No I broke the end of the barrel off where the retainer screw goes in. Here's some pictures. The part is $142 which is freaking awesome!!

Cunningham_821 · « **Reply #411 on:** August 20, 2013, 06:57:06 pm »

What are u gonna do with that broke valve maybe i could use it for a plug if ure gonna just pitch it.

Buckeye513 · « **Reply #412 on:** August 20, 2013, 07:01:40 pm »

Not sure what I could do with it. I might need to take the roller end off it depending on if I get a used one with a good one or buy a new valve through Jason. Once I figure out what I'm doing I can send it up to you man.

El Diablo · « **Reply #413 on:** August 20, 2013, 08:31:02 pm »

Same thing happened to the barrel on a bike i'm working on for a customer. But we are just gonna delete it so no more problems.

Buckeye513 · « **Reply #414 on:** August 20, 2013, 08:45:19 pm »

I'm finding out its a common problem. That's why I left the retainer screw in and all together but MHR removed and disassembled my entire power valve and then didn't sen me some of the parts back. I was heated as hell when that barrel end broke off. I was tightening it sealing up the clutch cover and power valve window from mounting my engine and filling it with fluids then doing a first fire.

Buckeye513 · « **Reply #415 on:** August 21, 2013, 04:09:17 am »

Well hopefully will have my engine done and fired this weekend but this power valve setback is gonna cost me drag racing Saturday. Got a used power valve last night coming from about an hour away in Indiana. Thanks go out to Kyle T for the eBay find.

Cunningham once I get my old one out and all the stuff off it I can send you the barrel valve portion if you want. Just email me your address to dphilhower1@yahoo.com

http://www.ebay.com/itm/LT250R-Power-valve-LT-250-R-Quadracer-LT250-87-92-/370865590299?pt=Motors_ATV_Parts_Accessories&hash=item56594fd01b&vxp=mtrk

Q2W · « **Reply #416 on:** August 21, 2013, 07:24:12 am »

if you're replacing the PV, i'd go ahead and replace the 3 seals too. Most leak air because they never get changed.

Buckeye513 · « **Reply #417 on:** August 21, 2013, 07:30:17 am »

Those are new on my valve that's what was messed up and missing from MHR along with some washers and the retaining screw. I already have those parts new so I'm ahead of the curve! Lol thanks for the advice though.

Buckeye513 · « **Reply #418 on:** August 21, 2013, 11:47:41 am »

You mean 2 seals right Q2W?

MD2smoker · « **Reply #419 on:** August 21, 2013, 12:08:37 pm »

I doubled up the 2 small orings. #8 in the diagram. I heard these like to leak. There is also the larger #10 o ring as well. That might be the 3 orings he was referring to.

Buckeye513 · « **Reply #420 on:** August 23, 2013, 02:28:13 pm »

Motor is in date night with the mrs derailed the firing for a couple hours. Gotta plumb some **** and hook up wires then add the stuff that goes boom!!!

QuadMan8 · « **Reply #421 on:** August 23, 2013, 05:25:23 pm »

Boy that head looks sweet. Best part of the quad. Never looked that good on my bike..Would you just go ahead and run the thing already. LOL We are getting excited for you!

Buckeye513 · « **Reply #422 on:** August 23, 2013, 11:03:54 pm »

No firing tonight me exhaust springs are on my brothers buell and its two counties over. I did get the plastics back on but think I have some bad news. My shifter is in pretty bad shape (splines are almost gone) so I'm on the look out for a good one, hoping I can just replace the shifter and not the shifting rod or whatever it's called I'm friggin tired! Still gotta get the chain on her but she's got her clothes back on! Plastics are jacked up cause of the Q pipe seat is just foam my dads doing the cover tomorrow or Sunday.

MD2smoker · « **Reply #423 on:** August 24, 2013, 04:05:34 am »

Looks badass!! Glad to see it together, bud. You still gotta set your toe or is just the pics?

Chuckie25 · « **Reply #424 on:** August 24, 2013, 05:52:35 am »

Wow that looks GREAT!!

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Author Topic: My First 88 LT500 Build (Read 38517 times)

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