TOPIC:

I'd take the head off and go through it.
Steve

Ok so was back and forth about pulling the head off and taking a look or just bolt everything together and see if the valve clearances fixed the problem. Anyways I pulled the head off and yes as you can see in the pictures the valves are pretty dirty... and there is a hole in the 3rd piston head!
#1- Where should I start with the head? just clean everything really well or pull the valves and replace the valves and do a lap job?
what kind of chemical can I use on it?
#2-as for the piston. Where is the best place to find a new one? can I just replace the 1 or do I need to replace all 4?
-Do I clean it the same way I will clean the valves and head?
-inode the cylinder doesnt look too bad though so can I just leave that?










I guess I really got myself into one now.
thanks for all the help

Good move, pull the valves and buy some Viton seals. Pull the barrels and take pics on the side of the pistons. Looks like a fresh hone so there must have been some kind of problem. Once you have it laid out you can decide what to do next.
Steve

Ok so I can try and pull the valves and clean everything but can I just replace 1 piston or do I need to do all of them. A bit more direction with all this would be great. thanks again

I lunched one piston and replaced it. I got a 1015 block because the bore was shot too. Now I can go to 1105 if I want to. You can get a new sleeve and piston if you can tell what it is.
Steve

what size of a pistons do I need?
what about the valves?

Put up some pics. Talk to ya in the morning.
Steve

So I was able to put the pistons off and took a few pictures. I would like to order new pistons/rings and valve seals so I can finally get this thing running and enjoy some riding now that its decent weather in Saskatoon. The pistons say ART 801. What am I wanting to buy for pistons and valve seals? Thanks

Any direction with the pistons would be great. I am sitting in limbo till I can get the correct pistons and valve oil seals.
Thanks in advance.

Can you measure the bore and wrist pin?
Steve

So Do I just measure the inside Diameter of the bore then the length of the pin or what else should I be measuring on the pin?
Do I need to buy a dial bore gauge? Once I have those 2 measurements should I be able to find the correct replacements?
Thanks

You can get a didgetal caliper at HF. I just want to know the size of the bore across and the width of the pin. 17mm or 18.
Steve