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Post by renagade281 on Jun 15, 2016 17:07:34 GMT -5
Did my 2nd bbk install on a customers scooter today. That's exactly how long it took me from start to finish. From removing the valve cover replacing everything and putting everything back together... Time doesn't include tuning the cvt and the carb... That was a little longer lol
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Post by FrankenMech on Jun 15, 2016 18:27:32 GMT -5
LOL! Brag brag brag. It would take me that long just to change the spark plug.
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Post by 90GTVert on Jun 15, 2016 18:40:15 GMT -5
It took me weeks to put a cam in my GY6.
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Post by Deleted on Jun 15, 2016 18:52:49 GMT -5
But, the million dollar question is...does it run? Ha ha. I could do one in about that same time but..well...you would not want me to because it would never run again.
All kidding aside, that is really fast. Do you file the ring gaps? I hear this talked about on the forums and yet, in a lot of BBK install videos they never mention it...just install the rings and go.
Nice job.
Bill
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Post by 90GTVert on Jun 15, 2016 19:00:16 GMT -5
Do you file the ring gaps? I hear this talked about on the forums and yet, in a lot of BBK install videos they never mention it...just install the rings and go. The majority skip this step. They aren't us. We have files and feelers and we aren't afraid to use 'em.  Honestly, more often than not there is no need to file the rings based on any specs I've seen, but if you don't check you don't know. |
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Post by Deleted on Jun 15, 2016 19:04:55 GMT -5
Do you file the ring gaps? I hear this talked about on the forums and yet, in a lot of BBK install videos they never mention it...just install the rings and go. The majority skip this step. They aren't us. We have files and feelers and we aren't afraid to use 'em. Honestly, more often than not there is no need to file the rings based on any specs I've seen, but if you don't check you don't know. Kind of like spark plugs for cars. In the old days, you had to gap each plug out of the box because they were usually way off. My Dad thought this might be because they make one plug and gap it for one application, but it can be used for many others by changing the gap. In the past 20 years, I always check my plugs prior to install and all of them have been to spec without any help. Always a good idea to check, because then you know. Thanks, Bill |
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Post by gsx600racer on Jun 15, 2016 19:07:48 GMT -5
Do you file the ring gaps? I hear this talked about on the forums and yet, in a lot of BBK install videos they never mention it...just install the rings and go. The majority skip this step. They aren't us. We have files and feelers and we aren't afraid to use 'em. Honestly, more often than not there is no need to file the rings based on any specs I've seen, but if you don't check you don't know. On most name brand kits or at least the ones Iv used, the ring gaps were correct(I am one of them that check). I did once buy a cheapy china piston/rings set and had to file the ring gaps in to spec. |
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Post by Elektrey on Jun 15, 2016 22:07:47 GMT -5
I did my 2nd BBK kit on my scooter without dropping the engine, saved a bunch of time.
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Post by aeroxbud on Jun 16, 2016 5:50:35 GMT -5
That's good going.
If I had to do a four stroke it would take me a week to work out what all the leftover pieces were for!
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Post by ThomasTPFL on Jun 16, 2016 8:33:28 GMT -5
I did the one on my four poke in about that time.
Ran but was weak.
Then spent two more hours fishing the valve adjuster out of the bottom of the engine.
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Post by renagade281 on Jun 16, 2016 15:04:20 GMT -5
The kits I have bought had good ring gaps. I didn't need to file them at all. Like I said. That was just the install itself. I spent the better part of the day tunning the carb and cvt ... It runs like a champ
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Post by aeroxbud on Jun 17, 2016 3:54:20 GMT -5
The kits I have bought had good ring gaps. I didn't need to file them at all. Like I said. That was just the install itself. I spent the better part of the day tunning the carb and cvt ... It runs like a champ That's the skilled bit the set up. No matter how expensive the kit if not set up correctly it will never perform as it should |
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Post by FrankenMech on Jun 18, 2016 0:56:06 GMT -5
Ring ends meeting will really put the brakes on piston motion. Rings expand from heat due to power and friction.
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Honestly, more often than not there is no need to file the rings based on any specs I've seen, but if you don't check you don't know. 
