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Motorized Bicycle General Discussion All topics regarding bicycles with engines.

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  #4921  
Old 01-30-2013, 06:25 PM
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dodge dude94 dodge dude94 is offline
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Default Re: what did you do to your motor bike today?

Quote:
Originally Posted by tooljunkie View Post
glass block is used for finishing something you want really flat.
a little water under the wet/dry paper and it sticks like glue.
i use a piece of polished granite.
didnt do anything to my bike today,but do want to take it for a snow ride.
Gotcha. I wasn't going to mill the head surface, just smooth out the combustion chamber a bit.

All the factory texture CAN'T be good for flow.
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  #4922  
Old 01-30-2013, 09:42 PM
bigdaddy1996 bigdaddy1996 is offline
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Default Re: what did you do to your motor bike today?

I just got a sd stinger engine and new to this was wondering if theres anything I should do that will keep it running for a long time and also whats a good oil for it.Thanks
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  #4923  
Old 01-30-2013, 10:21 PM
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fatdaddy fatdaddy is offline
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Default Re: what did you do to your motor bike today?

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Originally Posted by bigdaddy1996 View Post
I just got a sd stinger engine and new to this was wondering if theres anything I should do that will keep it running for a long time and also whats a good oil for it.Thanks
EVERYBODY has an opinion about what 2 stroke oil to use. I just use the wallyworld universal stuff and run it a little heavy. You'll want to run the oil heavy for break in anyway.
First, replace all the mounting studs with a better grade. Then pull the clutch cover off to get to the big clutch gear and the small bevel gear. Put a small amount of grease on these gears. Not too much, don't need grease on the clutch pads. Then on the clutch itself you will see a press ring with A BUNCH of small bearings under it. (look close,) If you have some type of syringe you can get a little grease into those bearings also. I just pull some of the pads out so I don't get grease on them and squish it in with my finger.And again, not too much grease. Grease on clutch pads bad.
This takes care of the clutch side. Replace cover.
Then take off the clutch lever case from the other side. If you spin the lever around it will come out of the case. Grease it, replace it.Then looking at the engine you will see a small bucking bar sticking out of the clutch side. Pull it out being carefull not to lose the bearing behind the bucking bar. Stuff some grease into the hole and push the bucking bar back in. Put some xtra grease on the flat part of the clutch lever and replace the case.
Get some good chain lube, replace the plug with a NGKB6HS and the wire and boot with a good auto grade and yer done. Put the motor on the bike and ride it like ya stole it.
If yer using the rag joint just take your time with it. Get it tight and right. A loose sprocket or bad sprocket alignment will ruin yer whole day.
Thats how I do it anyway. If I missed anything I'm sure someone will point it out.
fatdaddy.

Last edited by fatdaddy; 01-30-2013 at 10:24 PM.
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  #4924  
Old 02-02-2013, 05:37 PM
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Default Re: what did you do to your motor bike today?

Spent a little time in the garage today, trying to polish a cloudy area out of a chromed fender. Didn't do too badly for a first time out.. got to know a bit more about some of my dremel bits in the process too.


Quote:
Originally Posted by tooljunkie View Post
glass block is used for finishing something you want really flat.
a little water under the wet/dry paper and it sticks like glue.
i use a piece of polished granite.
didnt do anything to my bike today,but do want to take it for a snow ride.
Polished granite is great as a lapping surface, but I understand a piece of glass works well too.

My slab:
20121018_153226.jpg
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Any day that starts with a good ride is already a better day, and a bad day riding still beats a good day working.

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  #4925  
Old 02-02-2013, 05:49 PM
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Default Re: what did you do to your motor bike today?

Worked on the exhaust system some and added another part of it. See it in my 58 Wasp link below.
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  #4926  
Old 02-02-2013, 05:56 PM
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Default Re: what did you do to your motor bike today?

Today I cleaned out the carb on the Kiwi (my dad's bike), replaced the oil, tuned it up, and got it running.

I just finished painting the oil catch for the Parakeet (my neon yellow bike).
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  #4927  
Old 02-02-2013, 06:47 PM
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CTripps CTripps is offline
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Default Re: what did you do to your motor bike today?

The fog lifted for a bit so I managed another clear coat on some parts, and a few touch-ups on the frame of the current project bike. Everything's back in the 'drying room', now it's just waiting time for the paint to dry before I can start fitting things up. It'll probably be next weekend before I have time for that anyway.
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Any day that starts with a good ride is already a better day, and a bad day riding still beats a good day working.

My Builds: My Beast, Harley59's bike, my Cruiser
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  #4928  
Old 02-02-2013, 06:48 PM
jtennant jtennant is offline
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Default Re: what did you do to your motor bike today?

Broke top piston ring Can anyone tell me for a 60cc piston ring, what mm it is? I am trying to find one to buy on line, but they have 44mm or 47mm, I am not sure which one? Thanks
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  #4929  
Old 02-03-2013, 07:58 AM
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Wickedest1 Wickedest1 is offline
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Default Re: what did you do to your motor bike today?

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Originally Posted by jtennant View Post
Broke top piston ring Can anyone tell me for a 60cc piston ring, what mm it is? I am trying to find one to buy on line, but they have 44mm or 47mm, I am not sure which one? Thanks
For future reference it always helps guys help you if we could know what kind of motor you have, if it has a "brand"name on it, where you purchased it and the size of the motor...worse case scenario buy both sets and if one set works you can always sell it to someone on this forum in the swap and shop section...good luck and remember to torque the head properly...something else...you really need to make sure to probably just replace everything...in my experience if one ring fails you probably have gouges in your cylinder...
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Thats a lot of moving parts...hope it all works...
FD4E

Last edited by Wickedest1; 02-03-2013 at 08:09 AM.
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  #4930  
Old 02-04-2013, 02:39 PM
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Bradb1287 Bradb1287 is offline
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Default Re: what did you do to your motor bike today?

Hmmm. Not going to do any modifications today. Just go for a nice ride up and down the peninsuala. That spring tensioner my buddy and my self made is working pretty well for us (knock on wood). He's kinda upset my bike is faster now. We aren't sure why his bike is slower now, he was at onetime hitting about 37. Now he can't break past 30 at wot and my bike pulls away from him all day. Hopefully no rain here.
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