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Post by tvnacman on Feb 7, 2015 16:14:39 GMT -5
after things are fitted I make sure to soak everything in motor oil , I also hone the cylinder and prime the oil pump .
I never take that much care to gap spacing but that was nice little trick thanks for sharing .
John
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Post by jerseyboy on Feb 7, 2015 19:51:15 GMT -5
I agree, it only takes a few minutes to properly gap them, so why not do it right. And yes, half way down the jug is a good position to check them at. I also agree that a ring clamp is the best way to get the piston into the jug without messing up the rings. That taper is really not enough to ensure the rings don't bind or twist during installation without compressing them with a clamp. I did my BBK without a ring clamp, and it took me 20 minutes to get them in safely, mostly because of the awkward positioning you have to get in when working on the engine inside the frame. Yeah Im never doing that again! The motor is coming out and going on my bench next time,,the darn circlip was the hardest part of the job,,getting that thing in the groove just right without bending it....I couldn't see properly with the motor in the frame at all.I used a small mirror to check it after i got it in,,gave it a little spin to see it move freely..I knew I was home free..what a PITB!!! |
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Post by lain on Feb 9, 2015 11:04:00 GMT -5
Finished installing the new kit yesterday in my friend's garage. It started up nice and idled smoothly and without smoke! Finally! Hoping the storm will pass soon as the roads will be plowed soon so I can get my ride otu of my friend's garage and see how the new kit installation performs under a load.
Yeah the circlip was a hassle, I did not want to remove the body of the scoot just for those, cuz I can reach everything else pretty easily with the body still on, tried many different angles to get them in, finally got them in each side after killing my wrist lol.
I didn't have something to hold the rings so I did it by hand. Took 5 minutes, hardest part was keeping the gap positions where they should be, but it went in with the gaps in the right places. I think it would have taken me much longer if I didn't have my friend holding the chain through the chain hole making sure it wasn't falling or getting in the way while I was pushing the cylinder in.
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Post by JerryScript on Feb 9, 2015 11:16:03 GMT -5
Great job! Now you can truly enjoy the ride!
A tip for others about the chain: Use a couple of long zip ties looped through the chain to prevent it from falling back into the crankcase. Pull enough of the zip tie through it's locking mechanism to leave two inches of it sticking out, that two inches will get stuck rather than slipping through.
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Post by jerseyboy on Feb 9, 2015 12:21:52 GMT -5
Nice man!! I always put one circlip on before installing the piston to the rod,,its easier,, than all you have to worry about is one..lol I also like to put my piston partially into the cylinder first,,then slide the jug over the studs,,this way you only have to monkey with lining up the pin with the rod while its in the frame and not the rings. The gap positions aren't as critical as the end gap,,as long as they are not over top each other and close to that Y axis off set you are good to go.. You and me both on warmer weather,,cant wait to get out and break this BBK in properly.... Glad there is no smoke!! Tom  |
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Post by lain on Feb 10, 2015 15:55:34 GMT -5
Finally able to ride again! Today the snow has finally stopped and my street has finally been plowed!
Last time I broke in the new BBK I used only half throttle for 50 miles, and 75% throttle from 50-100 miles.
Is that a good breakin? What do you guys suggest?
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Post by JerryScript on Feb 10, 2015 16:08:58 GMT -5
Break in should be done at various speeds. Keeping it below a set speed is not required, best to do sorry busts at WOT, and not ride at any one speed for long times.
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Post by lain on Feb 10, 2015 16:19:46 GMT -5
Break in should be done at various speeds. Keeping it below a set speed is not required, best to do sorry busts at WOT, and not ride at any one speed for long times. One speed for longer than 1 min isn't even possible in Boston. Lol. It's mostly stop and go here in the city. Will stop and go often be good or bad while breaking it in or should I wait for a better day and find somewhere I can go for a decent length trip? |
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Post by alleyoop on Feb 10, 2015 16:29:48 GMT -5
This is not rocket science the thing NOT to do is Crank on it WOT starting off and just vary your speed which you will be doing from stop to stop anyway your fine. Many young guys want speed so they get on them and TWIST the throttle wide open and see what it will do, what it will mostly do is damage the motor and or rings.
Alleyoop
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Post by lain on Feb 10, 2015 17:07:34 GMT -5
This is not rocket science the thing NOT to do is Crank on it WOT starting off and just vary your speed which you will be doing from stop to stop anyway your fine. Many young guys want speed so they get on them and TWIST the throttle wide open and see what it will do, what it will mostly do is damage the motor and or rings. Alleyoop Good advice, I never thought it was good to whip it open like that. I know a few guys who do that though. |
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Post by jerseyboy on Feb 10, 2015 17:32:03 GMT -5
Break it in like your gonna ride it,,like jerry said,,just don't go WOT everywhere you go,,and don't go too slow either,,i would ride it between 4 and 6K with doing 6K just on bursts once in a while,,than after you dump the oil I would think a redline run wont hurt,,just don't keep it there too long..what did you say again Alley about 25-50 miles and the rings should be broke in,,I would think as fast as they spin along with the heat thats about right.
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..BAD TO THE BONE..