Melt down...

[WilliamK]

as far as my tester read it ws 75-80psi when I first installed the kit...I know the tester is wrong. And as to the break in...Yes, it will be a slow break in!!!

[WilliamK]

Looking at a set of 16X42 gears 9.19:1 ratio
will this keep the front tire on the ground?

[swimmingfree]

this shood get you a guess on top speed the tire sizes 90/90 the rpm about 8000
swimmingfree


By freeswimming at 2011-10-25

[eliteguy50]

Looking at a set of 16X42 gears 9.19:1 ratio
will this keep the front tire on the ground?

That is the set commonly referred to as 9:1 on the forum.

[WilliamK]

Going to try those. I just hope it keeps the front down. Going to reinstall #88 jet and hope I don't burn another pistion

[swimmingfree]

to help not do that do a plug crop ..
swimmingfree

[WilliamK]

Update on the progress so far. Installed a new 65cc BBK, Trail Tek CHT gauge, reinstalled #88 jet and a Blue LED light bar under front wheel well for added visibility. Seems to be running well. Front wheel stays on the ground but I'm taking it slow till it breaks in...also I reinstalled the oil pump so I know she's getting enough oil at 25mph she's peaking at 301 deg F. What is considered the best way to break-in a BBK?

[swimmingfree]

dont no the size of the gas tank but you may want to put a shot of oil in the gas tank about 1 oz or 2 per gallon ..the oil pump is for 50 cc not 65 cc
as long you keep it under 400 deg thing are good .. as for bracking it in not sure what to say.. but keep out of the wot till you have gone at lest 200 miles but other well say some thing difrent....
swimmingfree

[WilliamK]

had half a tank of 32:1 premix left so I topped it off with plain gas. Tied oilpump WO. Manual states do not exceed 80% top speed for 600 miles and donot keep a steady speed.
If it gets close to 400 deg I'll shut it down, don't want another melt down in the middle of nowhere and freezing temps...lol
Also checking the plug every trip...keeping my fingers crossed.

[swimmingfree]

with the oil punp wo make sure you keep a spark plug with you it will flow faster ...
swimmingfree

[WilliamK]

ran it tonight to work and back. 5mi each way. very windy out and she spiked at 405 deg riding into the wind. on the way home (44deg out. cold ride) she spiked at 435 deg...got me a little worried. other than that she ran great.

[bakaracer]

what head are you using on that kit? are you using the stock airbox?

[WilliamK]

stock head and airbox...airbox has been opened up.

[swimmingfree]

have you dont a compression test on it??? i no its a dum qustion becase its new but if its 200 it to hight and will run hot ...and make sure you state i did it with the starter or kick it it make a diffrents...
swimmingfree

[WilliamK]

have you dont a compression test on it??? i no its a dum qustion becase its new but if its 200 it to hight and will run hot ...and make sure you state i did it with the starter or kick it it make a diffrents...
swimmingfree

The compression tester I don't trust...95 psi. I use and electric start. going to install a second head gasket.