Updates (5/14/09)

Ok, so I got the bike re-assembled. Everything sealed good, no more leaks! I got the bike started up, and it ran good, readjusting the cam chain tensioner fixed the noise problem.

BUT!

There is always a but... Once I got it back together, the starter decided to go out! This really makes me angry because the previous owner told me he had the starter rebuilt, and when I took it apart it didn't seem so. I cleaned everything up on the inside of the starter, and everything appears ok, but it is completely unresponsive. Now I await a new(old) starter from eBay.

As far as the upgrades concerning the GPZ camshaft and higher compression piston, those will have to wait for another day. This is good because it allows me more time to accumulate parts, and more time to think in-depth on the project. The camshaft from the GPZ bike does not have the correct output shaft to spin the points ingnition assembly. Therefore I will have to get an aftermarket, fully electronic CDI ignition... but that ok, because it will complement the other upgrades quite nicely. Also, the reason I didn't change out the pistons, is because at the moment it saves me time and money. I will most likely upgrade to dual pod airfilters in the near future, but the rest of my mods will have to wait until all parts are compiled. I hope to be able to put on the new pistons, camshaft, ingnition, and 2-1 exhaust all at once.

More to come...

Disassembly

I've got it torn apart finally and some great news, as well as major plan changes. I got the carbs off, and they seem to be all in good working order. The head is off as well, and this is where the good news comes in. The cylinders and pistons are perfect! Not a scar, scratch, knick, ding, mark, or deformation ANYWHERE! This means I'm going to save myself some trouble and not even remove the block. I also found the cause of the nasty noise coming from the engine... LOOSE CAM CHAIN! The previous owner improperly instally the cam chain tensioner and it was way loose and smacking the chain guides... fixed! Although, I did note the bronzing in the head and outer cylinder walls into the bottom end, telling me that the bike definitely got hot during its oil-less jaunt.

Carbs gone:


A nice look at some inside... and that bronzing I was talking about:


Dirty pipes in need of elbow greese:



Off with its head!


Now... can I put it back together?!? Heh, wait and see... More updates to come soon!

Major Updates!

I have made a lot of progress into this project the last 2 days. Very big changes! First thing that happened it that I got rid of that horrid purple color on the bike. She is now flat black (pics below). Also, I got started on dis assembly. My plan has changed quite a bit now.

Out with the old nastiness:




New ugly/temporary freshness:

Update (5/1/2009)

I finally got enough money for gaskets! I am getting super anxious to get started here, but I have been plague with horrible strep throat for the last 2 weeks. I have decided I'm going to try the build with the rings that are on the GPZ pistons already, as it seems nearly impossible to find rings for this motor. If you have a source please share! My 2nd option for rings would be to bore the cylinders, and get some oversized pistons and rings... but that is way too much money for me any time soon, not to mention almost more than the bikes worth in its current state. Anyway, stay tuned because I am hoping I can post a video of me riding the thing in the next week.