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Discussion Starter #1 (Edited)
well i just got finished building up my ltr's motor and it should be a ripper.
here are some pictures and what i have done to it so far.

day after i brought her home, it just had a cherry bomb, rath Nerf's, blingstar bumper, pro-armour grab bar, and some metal melisha fat bars by pro taper.



first thing i did was get rid of the head light and put on a quad tech beak, k&n drop in filter with air box mod and a full dasa exhaust. i also bent the stock weak axle and put a g-force in its place



i rode it like that twice and it was time for more:D
so i tore it down and sent the head off to Williams performance ATV in Florida to get the head ported and polished, +1 xceladine exhaust valves put in and a serdi valve job done.
i huge thanks to chris there at williams for doing a fantastic port job with awesome customer service and a 2 day turn around time

pic of the ported intake

pic of the ported exhaust

and here is a pic with the new +1 exhaust valves


of coarse with a ported head i couldn't stop there, that stock piston was just there starring me in the face so i had to do something about it. so i pulled it out and got the cylinder re-honed and dropped in a JE 12.8 to 1 piston and rings. its a shame it has to get put in a place it will never be seen cause its so per-tty looking



so now that the piston is fresh with more compression and the head is flowing alot better, i needed so bump sticks to put in it. i decided to go with hot cams intake and exhaust cams to cut down on cost a bit over going with a more expensive web grind


so now the motor is all buttoned back up and i needed something other then a cherry bomb to supply fuel now, so i got a power commander PC5 and plugged that in with a close base map provided by Williams performance ATV for me.


and this is how my machine sits now just waiting to be rode tomorrow so i can break it in motoman style



i also have a dyno tune scheduled for this friday so i can get her running just perfect and be able to extract all the possible power from her, i will update you guys with the dyno numbers and print out when I'm done with it.

so what do you guys think?:D

there will be more to come in the form of suspension at a later date, im thinking of having GT thunder give them the works
 

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Very sweet!, should be a fun setup.
 

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Discussion Starter #4
i usually hit up a few races a year but have to be more careful now as i have a wife and 4 kids to support
 

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252 Posts
nice, looking good. i'm gonna be sending my head off to williams when i get the money, cant wait.
 

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Awesome bike!! Good Job thank for sharing the pics!
 

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Are you going to run 93 pump gas with that 12.8:1 piston or are you going to mix it with racing fuel?
 

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Discussion Starter #8
Im running 93 pump gas.
I finished up with my motoman break in today, and there is a big difference in power especially where the stock ltr power band falls off, this motor now shines!
 

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Looks good should be a nice build.Let me know what she makes on the drum.
 

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looks sexy
 

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Nice ltr smokedya2! Are you gonna cut the plastics?
 

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Discussion Starter #13
Nice ltr smokedya2! Are you gonna cut the plastics?

Im not sure yet, I like how it looks both ways. If I do it will only be the front
 

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Discussion Starter #15
got some more updates and mods.
first thing i did was ditch my crappy stock front tires and threw on some maxxis razr cross tires and man do they work good!
next thing i did was took the blob off the handle bars and replaced it with the yoshimura start button and choke block off nut, it really cleans the handle bars up nicely.
next i got tired of burning my pants on my new dasa head pipe so i picked up a heat shield from a Honda 450r and mounted that up so now my pants wont look like swiss cheese anymore.
and last but not least i finally decided to pull the trigger on doing a race cut on my front fenders, i really liked the Doug gust cut so went with that, and man am i glad i decided to do it because it looks sick now.





all i have left to do is get it dyno tuned, pick a good graphic kit and get my shocks redone by GT Thunder.

what do you all think?
 

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got some more updates and mods.
First thing i did was ditch my crappy stock front tires and threw on some maxxis razr cross tires and man do they work good!
Next thing i did was took the blob off the handle bars and replaced it with the yoshimura start button and choke block off nut, it really cleans the handle bars up nicely.
Next i got tired of burning my pants on my new dasa head pipe so i picked up a heat shield from a honda 450r and mounted that up so now my pants wont look like swiss cheese anymore.
And last but not least i finally decided to pull the trigger on doing a race cut on my front fenders, i really liked the doug gust cut so went with that, and man am i glad i decided to do it because it looks sick now.





all i have left to do is get it dyno tuned, pick a good graphic kit and get my shocks redone by gt thunder.

What do you all think?
nice heat shield looks good
 

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Discussion Starter #17
lol thanks jose
 

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I wanna do close to the same thing
 

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Ya done real good. I'm sure it goes just as good as she looks. I know if ya pulled up next to me on the starting line I'd be thinking "oh shit".
 

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Discussion Starter #20
Haha thanks guys, I got a chance to run it at silver lake sand dunes 2 weeks ago and was impressed with what it was doing on the drag strip. I was beating my buddy on his yz444f, smoked a few banshee's, was dead evan with a 490ltz, and only got beat by 2 lengths by a Honda 450r punched out to a 501. She deffently is a runner now!
 
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