Need Input on Parts

[Watercross]

Im new to the KX500's and Just picked up this 88 to turn into a cheap Ice Bike. It was not running and tore down, Im getting everything ready to reassemble after the Cyl gets Bored, I noticed one tooth on my KIPS is broke off, is this problem or nothing to worry about?? all the other teeth look fine?? and the Cyl seems to be missing what looks to be a Bridge in the center of the intake port, is this a common Mod or did it break and someone grind it down. Pics are below

[jfabmotorsports.com]

The bridge is fine. The cylinder needs to be replated and not just bored, I'm sure you knew that. The valve needs all its teeth....unlike a good girl friend. 

[Watercross]

Its my understanding they don't make these anymore, are there other year KX's that use these same valves? Im sure Ebay is hit or miss

[jfabmotorsports.com]

86-88 is my understanding. Someone on this forum made a set about three weeks ago. Search the forum.

[jfabmotorsports.com]

http://www.kxriders.com/forums/index.php/topic,6518.0.html

[kaw rider]

Thats a iron sleeve you have there. It can be bored.

[jfabmotorsports.com]

Good call. I didnt even notice it. 

[Polar-Bus]

Thats a iron sleeve you have there. It can be bored.

As long as it's not already been blown a few times, and punched to 88mm ...

[Watercross]

Nope, just measured and its at 86!!!

[no sub for cubes]

you say one tooth is broken off your kips valves?if its just one on both valves?if so then thats how they are supposed to be thats the timing marks

[kaw rider]

If you look at the picture closely it does look broken off.

[no sub for cubes]

yep it does look badly chipped on the one tooth,on my 88 one tooth is shorter than the rest and when i removed mine i thought it had snapped...until the penny dropped thats how it was supposed to be  anyways mine are not in the best shape either but trying to find a pair that wont cost you numerous limbs  is near impossible.