Another 1st timer with a Roller
- Thread starter sketchman
- Start date
This is hilarious. Probably 12 miles on this now and it wasn't running well at all. So I tear into it. Piston is scored, cylinder is scored, gaskets are leaking. It's toast already. What a waste.
For what it will cost to fix, I'm not bothering. Anyone need a bottom end cheap? PM me.
For what it will cost to fix, I'm not bothering. Anyone need a bottom end cheap? PM me.
My new engine and trans.
51.7cc, 3:1 ratio before the rear sprocket, real bolts
, a light crank, 12mm wrist pin, reed valve, and an aftermarket through the roof. Should be fun.
I was worried when I saw "Big Bore" kits on ebay advertising a 44mm bore. Googling showed me these are usually 40mm stock, but I just happened to get a bigger one that was already 44mm bore so it should be fine. Compression needs some work. It's 8.8:1 right now, but that can be fixed later.
Got 2 drive sprockets to fit the output on the trans ordered(so I can keep my 41 chain size). An 8t and a 10t. What'll be really cool is I can change total ratio without ever messing with the rear sprocket. Set it and forget it.
51.7cc, 3:1 ratio before the rear sprocket, real bolts
, a light crank, 12mm wrist pin, reed valve, and an aftermarket through the roof. Should be fun.I was worried when I saw "Big Bore" kits on ebay advertising a 44mm bore. Googling showed me these are usually 40mm stock, but I just happened to get a bigger one that was already 44mm bore so it should be fine. Compression needs some work. It's 8.8:1 right now, but that can be fixed later.
Got 2 drive sprockets to fit the output on the trans ordered(so I can keep my 41 chain size). An 8t and a 10t. What'll be really cool is I can change total ratio without ever messing with the rear sprocket. Set it and forget it.
apparently someone didn't read the manual where it says for a break in period of 50+miles you should not exceed 15-20mph or run the engine for more than 30min at a time.
Running full bore within the first 4 miles i'm amazed it lasted a full 12.
Good luck with your 4-stroke setup! You'll find them a lot more resilient when it comes to dealing with abuse.
Also, i hope your angels are drinking redbull bro. 55 on a bike is a serious risk. I wish you the best of luck with that, and hope you have good medical coverage.
Running full bore within the first 4 miles i'm amazed it lasted a full 12.
Good luck with your 4-stroke setup! You'll find them a lot more resilient when it comes to dealing with abuse.
Also, i hope your angels are drinking redbull bro. 55 on a bike is a serious risk. I wish you the best of luck with that, and hope you have good medical coverage.
superharry
Member
lol, lifes too short to be walking!
flmotorbikes
New Member
Ya the 3:1 ratio works well