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HelicopterOff Topics › My first motor build... Started small :)
03-20-2009 05:39 PM  8 years agoPost 1
TurboRacer

rrVeteran

CT

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My KLX250S Dual sport bike was lacking a little power.. Couple days ago I ordered a 351 big bore kit. I've never opened a motor in my life - other than swapping cams.. I've also swapped transmissions, turbos, etc. Anyways, my first shot at the bottom end of a motor - just finished putting it in the other day.


After opening the valve cover up again before I started because I was paranoid about the valve timing, the bastard started up first shot. .

I put about 100 miles and two oil changes on it so far, and it's a whole new animal!!!

Here's the bike:


Nice big power add with no weight gain

Anyone else into thumpers?

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03-20-2009 06:04 PM  8 years agoPost 2
Sig Dawg

rrApprentice

Yorkton, Sask.,​Canada

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Sweet bike!

I was looking at a 450, but they are quite a bit more money than a 250. This is a great option. I may have to look at the 250's again.

Do you know if other bikes have similar big bore kits?

Jason

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03-20-2009 06:38 PM  8 years agoPost 3
A. Bundy

rrElite Veteran

Aurora,IL. 30W/SW of​Chicago

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Cool.I did a rebuild on a 04 yz250f.Pretty straightforward as long as you have a good book.

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03-21-2009 03:48 AM  8 years agoPost 4
hockeysew

rrApprentice

Co-USA

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Nice lil sled! Ought to be a gas with that much more THUMP!

Just dont let your brain write a check your ass cant cash

Liberals are like a "Slinky", useless but entertaining when pushed down stairs....

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