New Gasbike racer 49cc build

mark20

Active Member
Joined
Sep 26, 2018
Messages
513
looks great man!
enjoy it, 4 strokes are fun
i would also add a front brake on to it, trust me your going to want one lol
 


Mr.FrankSmith

Member
Joined
Feb 24, 2019
Messages
36
looks great man!
enjoy it, 4 strokes are fun
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Thanks! Front brakes are coming soon lol, I just have to put them on. Man infant wait for summer, I've got some mtb tires I wanna throw on and do a little trail riding, there's a state park literally feet from where my workplace is located.
 

CrazyDan

Well-Known Member
Joined
Jul 9, 2016
Messages
2,071
Wait till you get better reduction before trail riding, I'm serious about that clutch bro. Not trying to be a "debbie downer", just pointing out the obvious fact that you purchased the cheapest 4 stroke kit with the worst transfer case out there, and that you will be cooking clutches often with it. Staton-inc has a nice sprocket selection, as does mbrebel. When you finally get a 4g, 7g or bgf belt drive, replace your clutch with staton's heavy duty clutch. Have fun bro :p.
 

FNTPuck

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Joined
Jul 2, 2018
Messages
569
Def going to pick up a belt drive, I'm wondering where to find the bigger sprockets, I've found the standard ones but they were kinda expensive, I can't imagine the price on a 100 tooth sprocket...
That is not for the rear sprocket, its for the transmission gear inside the belt drive. Standard is a 100t belt gear but the 80t gives a few mph more top end at the expense of less torque.
 

Mr.FrankSmith

Member
Joined
Feb 24, 2019
Messages
36
Wait till you get better reduction before trail riding, I'm serious about that clutch bro. Not trying to be a "debbie downer", just pointing out the obvious fact that you purchased the cheapest 4 stroke kit with the worst transfer case out there, and that you will be cooking clutches often with it. Staton-inc has a nice sprocket selection, as does mbrebel. When you finally get a 4g, 7g or bgf belt drive, replace your clutch with staton's heavy duty clutch. Have fun bro :p.
I hear ya, I guess I might have used the wrong words there to describe what I was thinking... Thanks for the advise and my apologies for the herpes thing...
 

Mr.FrankSmith

Member
Joined
Feb 24, 2019
Messages
36
This is a short video of my bike idling its pretty much warmed up at this point and I know its not the same as hearing it in person, but I've very little experience with 4 strokes so tell me what you think.
 

Mr.FrankSmith

Member
Joined
Feb 24, 2019
Messages
36
I hear ya, I guess I might have used the wrong words there to describe what I was thinking... Thanks for the advise and my apologies for the herpes thing...
I also feel like i should mention that the trails I was referring to are basically bike paths in the woods that happen to be dirt, but they're pretty tame.
 

The_Aleman

Well-Known Member
Joined
May 2, 2007
Messages
966
Once you get the feel of it you'll recognize when your clutch locks up.
It's possible to adjust the engagement RPM with lighter/heavier springs if needed.
If you're gonna be spending a lot of time on dirt under 20MPH, you'll have to watch clutch slippage.
 
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