Predyno 99cc......the ultimate daily cruiser!

scotto- said:
Haven't blown an engine yet.......the valves start floating at about 6,200rpm.

The oil looked better than I expected being fairly dark with some fine metallic, but still good transparency. I'm running Maxima 100% petroleum base for break-in. The next oil change will be the 50/50 pet/syn oil.

dnut
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Time for new springs. :D



Do you have a catch can on the green bike? That's what it looks like.

Either way, nice rigs. :)
 
dodge dude94 said:
Time for new springs. :D

Do you have a catch can on the green bike? That's what it looks like.

Either way, nice rigs. :)
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Thanks, some heavier springs would be nice but I'm keeping this engine stock outside of the larger carb that I installed from the beginning. And yes there is a catch can on the green bike, that's where a lot of the hoses are running to :D



dnut
 
Here are some close-ups of the throttle linkage, catch can and the jack shaft set-up that might help you with your own build......









 
5-7HEAVEN said:
Awesome builds, scotto!

Ever thought of using the bike's down tube as a catch can?
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Thanks man, I've thought of using the seat tube, but not really the down tube. Either one would keep your bottom bracket well lubed though ;)
 
Finally got around to building the quieter long street pipe for predyno.......what a pleasant decibel reduction! Here's the pics......







This pipe is like hush puppies for the 4-stroke.......
 
Can ya tell I don't own a tubing bender? laff

This pipe has cut the sound level in half and still sounds really good with a nice low pitch. I made it a convertible so to speak, too make oil changes easier and be able to switch back to the shorty version for different applications. A slip joint and hose clamp make for an easy add-on......I still need to weld a tab for the rear mount to the coaster brake bracket (temped with just a hose clamp atm) and paint the pipe.

dnut
 
aussiedan said:
i love this bike its making me want to convert my cruiser to 4t,whats the top speed?
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The top speed that I've recorded on this build so far is 52mph and that would be with the help of a little gravity. It cruises easily at 41mph on flat ground with it's current gearing. Rode over 70 miles on it today and it runs like a champ!
 
Yeah, I really love this build been following it for awhile now and I just cant get enough.

When you thinking about another video ?
 
Gawdzahh said:
Yeah, I really love this build been following it for awhile now and I just cant get enough.

When you thinking about another video ?
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Took some video today, gonna edit it now........stay tuned.

culvercityclassic said:
Wow Scotto... 70 miles you got more azz then me. Glade you are enjoying your bike bro... Happy trails.... Ccc
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Thanks Jeff, this bike is da bomb! I ate it on dirt and gravel today just a couple hundred yards north of the border.......can you say OUCH?

dnut
 
scotto- said:
Took some video today, gonna edit it now........stay tuned.

Thanks Jeff, this bike is da bomb! I ate it on dirt and gravel today just a couple hundred yards north of the border.......can you say OUCH
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oh No, I hope your beautiful bike is OK.

Scar tissue just adds to manliness, right?
 
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