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MX450
01-01-2007, 06:14 PM
Motor blew this weekend, heres some pics of the carnage

MX450
01-01-2007, 06:15 PM
heres what it did to the piston, scarred it up on each side

MX450
01-01-2007, 06:16 PM
and the damage to the crank

MX450
01-01-2007, 06:16 PM
and here she sits:( currently for sale as a roller with everything but a motor

KFX400 RACER
01-01-2007, 06:27 PM
How much for the roller. Also does the blown motor come with it or no.

Were are you located by the way.

Thanks,
Jake

MX450
01-01-2007, 07:26 PM
4k for the roller, no motor

Full lonestar/axis, fullbore fenders, sparks pipe, comes with EVERYTHING you will need minus a motor

located near atlanta ga

312R1
01-01-2007, 07:40 PM
How much for the engine the way it sits right now?

C-LEIGH RACING
01-02-2007, 07:45 AM
Heres a few things I need you to do.

Turn that piece of skirt over & see if it has wear marks on it from touching the case.

Those hone marks in the cylinder bore, rub those & see how deep they are & are they realy straight not X shaped or is the pic fooling me.

Measure the piston & then the bore to see how much piston to cylinder clearance it has.

Never seen just the sleeve skirt break off by itself. Most times it happens from a busted piston skirt thrashing around & end up taking out the sleeve.

Has a piston ever busted any time before this.

The damage on the crank realy dont look that bad & you would think you could just smooth it out & run it, but, theres a lot you cant see, those tins have been distorted in that damaged area & probably have lost its seal somewhere around the edge & will start to breathe as the engine is running.
With the breathing come flex & then cracks & will come apart if you try to use is.

I can tell you first hand what an R engine ends up like when the tins come apart from a crank, you end up with all the parts under the clutch cover & the transmission to re-use in another engine build, that is if none of the case went into the transmission area & tore that up.

Hey, did you have this bike posted up for sale a few days ago.
Neil

MX450
01-02-2007, 08:40 AM
yea i had it up for sale, i may have a buyer for the entire thing

number5
01-02-2007, 11:04 AM
Mine cracked at the same spot.