RECENT POSTS

yz250 problem

Joined
Apr 27, 2007
Messages
2
Likes
0
#1
I HAVE A 1990 YZ250 AND I WAS WANTING TO KNOW MORE INFO ABOUT IT..EVERYTIME I KICKSTART THE BIKE THERES NO KICKBACK TO IT ..LIKE THERES NO PRESSURE WITH IT..IT WONT KICK OVER AND RUN..IM JUST WONDERING IF IM NEEDING NEW RINGS OR NEW PISTON KIT..BECAUSE ITS SOUNDING LIKE THERES NO COMPRESSION WHATSOEVER..EVERYTHING ELSE WITH THE BIKE IS FINE..IVE KINDA NOTICED A SLAP SOUND TO WHEN THE PISTON HITS THE TOP..AND THEY HAVE A DIFF SPARK PLUG THAN A B8EG IN IT TOO..BUT IT HAS FIRE IN THE PLUG I CHECKED IT OUT..PLZ HELP ME..I WANT THIS BIKE TO RUN..LOL
 
Joined
May 27, 2005
Messages
268
Likes
0
#2
bigfordtruck said:
I HAVE A 1990 YZ250 AND I WAS WANTING TO KNOW MORE INFO ABOUT IT..EVERYTIME I KICKSTART THE BIKE THERES NO KICKBACK TO IT ..LIKE THERES NO PRESSURE WITH IT..IT WONT KICK OVER AND RUN..IM JUST WONDERING IF IM NEEDING NEW RINGS OR NEW PISTON KIT..BECAUSE ITS SOUNDING LIKE THERES NO COMPRESSION WHATSOEVER..EVERYTHING ELSE WITH THE BIKE IS FINE..IVE KINDA NOTICED A SLAP SOUND TO WHEN THE PISTON HITS THE TOP..AND THEY HAVE A DIFF SPARK PLUG THAN A B8EG IN IT TOO..BUT IT HAS FIRE IN THE PLUG I CHECKED IT OUT..PLZ HELP ME..I WANT THIS BIKE TO RUN..LOL
How long have you had it? From the basic info you gave it sounds like the top end is shot.

The only way to know is to take it apart and inspect everything and hope it wasn't neglected so long the cylinder is not serviceable.