Topics

1

Technical / 2003 YZ250 front suspension

« on: June 28, 2010, 03:39:39 PM »

I blew something in my front suspension. I can lean on the handlebars and bottom the suspension out. i know that i blew the fork seals. Ive replaced fork seals before. no prob. my question is, is this normal for blowing the fork seals? or more like i blew something else? thanks

2

Technical / head gaskets

« on: March 29, 2010, 09:20:53 AM »

where do i find dimesions for head o-rings so i dont have to order stock rings. wut are they made out of?

3

Technical / cylinder wear

« on: March 27, 2010, 02:49:11 AM »

is it normal to see where marks in a cylinder after low runtime on a new topend? just like some vertical glaze lines? thanks

4

Technical / break in procedures

« on: March 19, 2010, 10:06:31 PM »

how do you guys break in your new top ends? thanks

5

Technical / yz250 air filter

« on: March 10, 2010, 02:01:53 PM »

anybody have any problems with the NoToil air filters? like the cheaper $15 ones? need some new air filters. or wuts a good filter and oil combo? thanks

6

Technical / yz250 top end

« on: March 03, 2010, 05:42:22 PM »

wuts the purpose of the chambers under the cylinder by the water jackets? theres 4 of em and they dont seem to go anywhere and the base gasket covers em. wtf they there for? thanks

7

Technical / yz250 vin number

« on: February 28, 2010, 03:46:40 PM »

how do you read a vin number on a yz250? how do you tell the year?

8

Technical / nikasil or sleeve? which ones better?

« on: February 26, 2010, 04:38:33 PM »

i have an 03 yz250 and my cylinder needs done. is nikasil or sleeving better?

9

Technical / 03 yz250. top end rebuild

« on: February 23, 2010, 04:33:07 PM »

blew the base gasket out of my 03 yz250. while its apart im gona go ahead and throw new piston and rings in. my question is after i took the cylinder off i found that my rod has some back and forth  play at the crank bearing. no up and down play. is the side to side play normal? Thanks