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View Full Version : hey what should i do to my 300ex



sweetass300ex
06-07-2003, 06:12 AM
i wanted to know what i should do to my 300ex to make it go fast and keep up with stock banshees,and my friends dads z400 with 1600 in to it in motor work? so what do u think i should go with to make it hual assss?

thanks for the help !!!!!!!!!!

sweet300ex
06-07-2003, 06:16 AM
390 stroker kit:devil:

TC17
06-07-2003, 07:42 AM
steal my engine and you'll kill them all.:devil:

GNCC#829
06-07-2003, 07:43 AM
He just did, you better check your garage!!!!:eek:

GETSOME
06-07-2003, 07:50 AM
8hp sticker kit

DaveEX7
06-07-2003, 08:06 AM
Originally posted by sweetass300ex
i wanted to know what i should do to my 300ex to make it go fast and keep up with stock banshees,and my friends dads z400 with 1600 in to it in motor work? so what do u think i should go with to make it hual assss?

thanks for the help !!!!!!!!!!


Look at www.fourstroketech.com and see what stroker/big bore kits they carry for your 300ex.

Also White Brothers has a 8HP Power Up Kit, check that out also.

DaveEX7
06-07-2003, 08:08 AM
Originally posted by TC17
steal my engine and you'll kill them all.:devil:

He did and gave it to me to slap into my 250ex frame:devil:

My new mods are:

.TC Racing high performance engine (WB racing cam, Wiesco High compression 10:1 piston, bored, port and polish, sleeve, honed, rings, new counter balance shaft and crankshaft gear,
.Big Gun Full "Race" System
.K&N Filter
.Outerwear for filter
.No Airbox lid
.DynoJet Jet Kit Stage 2
.Titan Fast Trekker Fronts
.Carlisle Turf Tamer Rears
.Factory Effex Graphic Sticker Kit
.Tag X-5 Handlebars (Spader Bend-Gold)
.Smith Grips
.DG Alloy Nerf Bars-Black Nets

06-07-2003, 10:42 AM
your going to have a tough time keepin up with a stock banshee, more then 1600 worth

DaveEX7
06-07-2003, 11:20 AM
Originally posted by bobby88
your going to have a tough time keepin up with a stock banshee, more then 1600 worth


Ya, you are gonn hafta dump alotta money into a 300ex to make it keep up with a banshee.

Or you can do what Cody Jordan did...... make it a 390 stroker and have a whole ***** load of engine parts.

nismo
06-07-2003, 11:27 AM
Originally posted by SpeedDemin85


Also White Brothers has a 8HP Power Up Kit, check that out also.
will this kit fit the 250x too? how much is it and what does it include?

RuffRyder400ex
06-07-2003, 11:35 AM
sell it and buy a 400

DaveEX7
06-07-2003, 11:49 AM
Originally posted by nismo
will this kit fit the 250x too? how much is it and what does it include?

There is a special kit for a 250x, its a typo its says for a 250ex, but they meant 250x (87-92)..... http://www.whitebrothers.com/ATVSections.html

go there and click ATV Engine, it should be on the first page.

06-07-2003, 11:54 AM
Originally posted by RuffRyder400ex
sell it and buy a 400

400s arent as fast as banshees either

DaveEX7
06-07-2003, 11:59 AM
Originally posted by bobby88
400s arent as fast as banshees either

im with stupid.jpg

Banshees around here are the same price as regular 400s, unless you want a LE shee.

400exrider400ex
06-07-2003, 04:02 PM
drop a 350x engine in it

300exracer
06-07-2003, 04:36 PM
Get a complete exhuast system, jets, highperformance air filter, 390 big bore kit, andyou could do alot more but i forgot some of tthem.:rolleyes: :p

DaveEX7
06-08-2003, 01:40 PM
Originally posted by 300exracer
Get a complete exhuast system, jets, highperformance air filter, 390 big bore kit, andyou could do alot more but i forgot some of tthem.:rolleyes: :p

Hotcam stage 2;) , 39MM Carb., hinson clutch basket and clutch, renthal sprokets, and some other parts.

300exracer
06-08-2003, 02:33 PM
Thanks. I knew I forgot some.LMFAO:blah:

DaveEX7
06-08-2003, 02:41 PM
Originally posted by 300exracer
Thanks. I knew I forgot some.LMFAO:blah:

HAHA, no prob. now some other guy or girl will come on and say like 250 bolts for the head gaskets or somethin.

RuffRyder400ex
06-09-2003, 09:32 AM
Originally posted by bobby88
400s arent as fast as banshees either
yeah i know.. but you have more of a chance with a 400 to keep up with banshees and you can ues the extra money for parts