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Discussion Starter · #1 ·
Guys and gals,

I bought an extremely mint 03 440 LC and I love it to death EXCEPT the top end and bogged down bottom end trail conversion. I needed a race sled because of the way I ride and I came along this machine. It is perfect in every way for my riding style. The problem is that I payed too much for it so i can't sell it without losing but I couldn't let it go to just anybody in its condition. I trail converted her and now I have power from 30 to 70 but a boggy lower end because of the track and deep snow and now top end because it is a race sled and a 440. Now I want to sell it for 2800 and upgrade to the pro xr 800 but I can't take the loss i would on selling it for 2500 like everybody is offering me. If you seen this thing up close you'd cry that I was even riding it. 1000 miles on it. Now the question is do I just shoot myself in the foot and get the 800 or do I modify the 440 or do I motor swap? I need about 800cc power, so about 160 horse if I can. An 800 VES motor with nothing is around $1200. Then I need to buy all the connection parts and carbs and whatever else. To upgrade to the xr 800 would be about $1500 with a total loss of about $2500.

How much to modify the 440 for a reliable trail 150 to 160 horses? What are these modifications?

Thank you
 

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160 horses out of the 440 only happens in dreamland.
the 440s aren't meant to go past 85mph- it's only a 440. knowing that you need more power than a 440, and since you say you paid too much for this sled, I would say you should've waited until you came across the sled that would fit your needs better.
 

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http://images.google.com/imgres?imgurl=http://www.snowtechmagazine.com/articles/2001/wheezer/440eng2.jpg&imgrefurl=http://www.snowtechmagazine.com/articles/2001/wheezer/wheezer.php&usg=__PuPgcz6HW_3n_VFGxygyZFXsACQ=&h=189&w=252&sz=24&hl=en&start=65&um=1&itbs=1&tbnid=518SrWKBr5w57M:&tbnh=83&tbnw=111&prev=/images%3Fq%3Dxcr%2B440%26start%3D63%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26sa%3DN%26rls%3Dorg.mozilla:en-US:eek:fficial%26channel%3Ds%26ndsp%3D21%26tbs%3Disch:1

Copy and Past the whole thing.

A clutched and geared 600v.e.s will be 10000 times more reliable than an 800v.e.s(theyre not even that powerful compared to a 600) will be about 120HP, and will pull like hell with some good clutching/gearing.
 

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Discussion Starter · #4 ·
I know that speedwerx can get 158 horse out of a modded 440 but it costs 1500. Can I find a 600 VES for around 800 and sell my 440 motor for around 500?
 

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Broc115 said:
I know that speedwerx can get 158 horse out of a modded 440 but it costs 1500. Can I find a 600 VES for around 800[/color=red] and sell[highlight=yellow] my 440 motor for around 500?[/highlight=yellow]



[highlight=red]maybe... [/highlight=red]


[highlight=yellow]no there are so many 440's out there, most people do not want them the only true need for a 440 race motor is racing or maybe find a kid who wants a ditchbanging seld [/highlight=yellow]
 

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Yes, you can try and sell your 440 for $500 or more with all the parts, they are still in somewhat of a demand but still, people want more power all the time. And yes, you can buy a 600ves or 700ves and be happy with plenty of reliability. If it were me I'd go 700ves, there are engines to be found out there, check salvage yards and ebay.
 

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your 0-30 should be spectacular if your clutching, carb setup, and traction is there.

You can gear it up a bit and you will get a little more top end out of it. They are geared real short from the factory.

The pro-xr chassis configuration is not conducive to high top speeds anyway though. I doubt even the 800 hits a radar 100mph.
 

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My brother just sold the 440 out of his 04 pro xr for 350, and that included carbs, exhaust, recoil, CDI, and wiring harness. He coulda gotten a hundred more out of it with the clutch on, because he sold the clutch for 120.
 
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