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Author Topic: LTR500R Hybrid MX Build  (Read 4473 times)

Offline Cartee#2

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Re: LTR500R Hybrid MX Build
« Reply #100 on: May 10, 2014, 12:44:46 pm »
More frame mods made, intake, some odd and end recent work. Firing fixed on motoplat now so just waiting to rack up a few more parts for suspension and it should be ready for another test run. Pics 5/10/14



















Offline Buckeye513

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Re: LTR500R Hybrid MX Build
« Reply #101 on: May 10, 2014, 12:51:02 pm »
EFFIN A right doggie! Keep up the good work sir!

Offline Cartee#2

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Re: LTR500R Hybrid MX Build
« Reply #102 on: May 10, 2014, 01:02:07 pm »
Thank you much! Been up and down project with more changes than a hookers underwear but it's on the right path now for sure. I eventually want to make it more LTR efficient as far as parts go(subframe/intake/airbox) by building a down draft alloy intake that puts the carb above the shock mount like and LTR and run the stock LTR intake tube and box. Build my next pipe around the box and make a nice flowing silencer that mounts in the LTR exhaust mounts. Being a MX purpose built machine it's going to get crashed and subframe are prone to bending. The set up now is so one off that i'd never be able to replicate it at the track and make the next moto or what not. A lot of time invested for such little production.

Offline Motoman991

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Re: LTR500R Hybrid MX Build
« Reply #103 on: May 11, 2014, 08:31:48 am »
Looking awesome!  Keep at it!

Offline Dezsled

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Re: LTR500R Hybrid MX Build
« Reply #104 on: May 11, 2014, 04:37:32 pm »
Cool pics of your build up. Be great to feel what 75 hp would feel like in a modern chassis.
87 HPR LT500
04 Roll LOBO II TRX250R
06 LTR450
87 LT500
85 & 86 LT250
86 & 87 TRX250R
07 & 09 Husqvarna TE450
00 CR125R

Offline Cartee#2

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Re: LTR500R Hybrid MX Build
« Reply #105 on: May 13, 2014, 09:44:12 pm »
It has taken me long enough haha. I'm either working 6-7 days a week or laid off 2-3 months. The joy of being a welder(joking). I've ran completely out of spending money right now in between jobs and I desperately need to get some parts for it.... I dont want to rob my LTR again since I stated back racing a few weeks ago but damn it's getting tempting!




Offline Cartee#2

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Re: LTR500R Hybrid MX Build
« Reply #106 on: May 21, 2014, 10:09:10 am »
Ditched the motoplat! It started trying to run backwards idling so I modified 85 lt250 electronis to work on it since I had nothing for a 500 besides a burnt up stator and a CDI. Cranks a lot better and idling is way smoother but I've been told my pipe is too small/too short to make power and run efficient. Could anyone help me find a custom 2 stroke exhaust builder close to or in Alabama? It's going to have to be built on the quad with plastics, radiator and all on it to make sure it clears everything. I could do it but i have no way of welding it up besides a mig and I refuse to use that on an exhaust. Plus I have very little knowledge on 2 stroke exhausts as far as size and length effect power curve. I just know what brands perform and what brands do not and nothing I have even comes close to fitting this thing beside my 9 drag pipes and that's just gonna be silly for MX lol. I've literally tried 40 - 50 pipes I've collected over the years from dirtbikes, ATC, ATV and still empty handed. Please don't ignore this, I need your help! I dont want to ship my bike anywhere so it has to be within 400 miles and I dont mind leaving it with a trusted builder I just dont want my shit stolen after logging all this time in it. Thanks.

Location: Moulton, Alabama 35650

Offline LTman

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Re: LTR500R Hybrid MX Build
« Reply #107 on: May 22, 2014, 12:23:24 pm »
U should get a 87 up box 250 or 500  the 85 timing curve is way dif
87 lt500r hybrid custom intake with 48 lectron, v2 reeds, scr dune port,4'' over swinger
87 lt250 mild porting, shear pipe,v3 reeds,4''swinger
91 lt250r stocker , fmf
83 RM500 build in progress
85 465rm hybrid dune port, v3 reeds,hand con pipe ,vm 46mm carb 4'' swinger ,in progresss

Offline Cartee#2

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Re: LTR500R Hybrid MX Build
« Reply #108 on: May 22, 2014, 12:37:34 pm »
It actually is an 88 500 CDI box now. Got lucky and found one close by down the road. Got it free to boot lol.

Offline Rossy

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Re: LTR500R Hybrid MX Build
« Reply #109 on: March 03, 2015, 01:39:42 am »
Hey, are you still going with this?

Offline Rainman56

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Re: LTR500R Hybrid MX Build
« Reply #110 on: July 26, 2016, 09:23:50 pm »
Did this build ever get completed?Just curious is all.
Can,t fix stupid.:)

Offline 98 LT250R Hybrid

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Re: LTR500R Hybrid MX Build
« Reply #111 on: February 25, 2017, 04:51:58 pm »
DR.Q shocks.  SMH😔
1989 LT250R
2016 YFZ450R suspension, bead locks, gncc tires, white carbon fiber look plastic, motocross ported motor, decked for race gas, V-Force 3 reeds, 39mm PWK, Hinson clutch basket, FMF pipe and silencer.

Offline 98 LT250R Hybrid

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Re: LTR500R Hybrid MX Build
« Reply #112 on: February 25, 2017, 05:12:12 pm »
Awesome build so far guy!  Don't forget to build an air box or you will be rebuilding your motor constantly from sucking dirt.  The idiot that had my LT before me got rid of the airbox and stuck a k and N filter directly on the carb.  I'm building an aluminum airbox and will be tig welding it.
1989 LT250R
2016 YFZ450R suspension, bead locks, gncc tires, white carbon fiber look plastic, motocross ported motor, decked for race gas, V-Force 3 reeds, 39mm PWK, Hinson clutch basket, FMF pipe and silencer.

Offline ZillaFreak

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Re: LTR500R Hybrid MX Build
« Reply #113 on: February 25, 2017, 09:58:53 pm »
been running a k+n filter for a while with no airbox, all an airbox does is hinder air flow.

Offline 98 LT250R Hybrid

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Re: LTR500R Hybrid MX Build
« Reply #114 on: February 27, 2017, 03:18:32 am »
A K/N filter won't keep out dust and mud.  3 of my friends learned that the hard way.
1989 LT250R
2016 YFZ450R suspension, bead locks, gncc tires, white carbon fiber look plastic, motocross ported motor, decked for race gas, V-Force 3 reeds, 39mm PWK, Hinson clutch basket, FMF pipe and silencer.

Offline ZillaFreak

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Re: LTR500R Hybrid MX Build
« Reply #115 on: February 27, 2017, 06:25:58 am »
and you think an air box will keep out dust?

Offline 98 LT250R Hybrid

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Re: LTR500R Hybrid MX Build
« Reply #116 on: February 27, 2017, 12:31:01 pm »
I live in PA so mud and water hitting an open element filter is a problem.
1989 LT250R
2016 YFZ450R suspension, bead locks, gncc tires, white carbon fiber look plastic, motocross ported motor, decked for race gas, V-Force 3 reeds, 39mm PWK, Hinson clutch basket, FMF pipe and silencer.

Offline ZillaFreak

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Re: LTR500R Hybrid MX Build
« Reply #117 on: February 27, 2017, 12:45:04 pm »
Waterproof outerwear.

Both are open filters in super dusty, no issues.



Open in muddy day, no issues


Only thing, don't submerge it in water and you will be fine. Get the filter clean too, don't let it get torn up, get it oiled and use a waterproof outerwear and nothing to worry about.

Offline 98 LT250R Hybrid

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Re: LTR500R Hybrid MX Build
« Reply #118 on: February 27, 2017, 01:11:10 pm »
What kind of filter are you running?  There is a paper K/N filter attached to my carb.  There is no way it would hold up to mud or heavy dust.  I spoke to Duncan Racing when I bought my carb from them, and they even suggested using an air box with the lid removed.
1989 LT250R
2016 YFZ450R suspension, bead locks, gncc tires, white carbon fiber look plastic, motocross ported motor, decked for race gas, V-Force 3 reeds, 39mm PWK, Hinson clutch basket, FMF pipe and silencer.

Offline ZillaFreak

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Re: LTR500R Hybrid MX Build
« Reply #119 on: February 27, 2017, 01:27:17 pm »
The LT had a foam but is now a k+n, the banshee has a k+n.

 

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