Are these cheap small engines any good long distance riding? How far do you ride yours?

BSAmase

BSAmase

Member
Im wanting to ride my BSA about 32 kilometres to work as long as I have a big enough gas tank, so far it performs really well (around my small country town) doesnt miss a beat.
Also after the last speed test it topped out at 44.5 kilometres an hour is that pretty normal as I thought it might of bin able to go faster then that, Its a standard "80"cc I was told when I Purchased second hand next bike builds getting a 125cc I think.
20181006_190427.jpg
20181006_190441.jpg
 
Ive just been doing more research on the google and it seems people do bigger ks than I thought sorry if thats a all to often asked question peoples
 
Your speed is a little below what most people get from a 66cc engine, 80cc is marketing and not the actual engine displacement. If you are mechanically inclined you can do a few upgrades to improve speed. Read through the performance upgrade posts here, do one upgrade at a time to see if it works or not. A lot of people do several changes that makes it hard to find which went wrong.
 
Your straight plug head is probably a lower compression style which was the standard a few years ago, I would check the compression to see what it has. I would also get a good air cleaner to keep dirt and debris out of the carb.
 
Greg58 said:
Your speed is a little below what most people get from a 66cc engine, 80cc is marketing and not the actual engine displacement..
Click to expand...
That is a 48cc round cylinder motor.
6mm head studs and flat bottomed transfers on the case.
40 mm piston and a small combustion chamber.
I have one of those motors.

Anyone with experience with these motors would know at a glance that
no 66cc looks like that.

I love that gas tank on that cool bike frame.
 
MotorBicycleRacing said:
That is a 48cc round cylinder motor.
6mm head studs and flat bottomed transfers on the case.
40 mm piston and a small combustion chamber.
I have one of those motors.

Anyone with experience with these motors would know at a glance that
no 66cc looks like that.

I love that gas tank on that cool bike frame.
Click to expand...
Thanks mate well shame in a way its not higher in cc but as its only the first bike build ill go all out next time good fun though
 
I never looked at the head nuts, the older I get the smaller the pictures look. I have a basic 48cc that does 31, it has a milled head, a trimmed piston skirt and a modified stock exhaust. This is with a 48 tooth rear sprocket.
 
Greg58 said:
I never looked at the head nuts, the older I get the smaller the pictures look. I have a basic 48cc that does 31, it has a milled head, a trimmed piston skirt and a modified stock exhaust. This is with a 48 tooth rear sprocket.
Click to expand...
When you say yours does 31 is that in mph or kph mate
 
From what I see on the net you are topping out at about 28 mph which is much better than mine did stock.
 
You must log in or register to reply here.
Back
Top