48cc skyhawk engine

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erikvilla

Guest
hi i just bought a 48cc skyhawk engine off of ebay for $100 shipped. are these engines better than most of the other names? and what is the top speed on these engines? any info would be great.

Thanks Erik
 


azbill

Active Member
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Dec 15, 2006
Messages
3,721
I believe that the 48's will get same speed, but have less 'pull' (torque)
we have a 48 and a 70 on schwinn choppers and the 70 pulls a lot harder
 

srdavo

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Joined
Nov 4, 2006
Messages
3,161
erikvilla said:
hi i just bought a 48cc skyhawk engine off of ebay for $100 shipped. are these engines better than most of the other names? and what is the top speed on these engines? any info would be great.

Thanks Erik
That's a great price. Is this a new, in the box, kit?
Skyhawk & Starfire are Grubee brand names. I have several of these 48 & 55 cc engines. I wouldn't say they are any better than other brands, but will say they are as good as any out there.
You can expect to run 26 to 32 mph top end. (depends on rear sprocket size)
check this out-----> http://www.motoredbikes.com/viewtopic.php?t=1010

keep us posted 8)
 
E

erikvilla

Guest
yes it was a new engine not the full kit just an engine i still think thats a fair price since most places want about 150 for a replacement engine.
 
G

gone_fishin

Guest
yes, $100 for a new engine is very fair...good for you, does the seller have more? care to share the link?
 

azbill

Active Member
Joined
Dec 15, 2006
Messages
3,721
was this from revolution cycles, aka motorizedbicycles.net, aka brian semones ?
I have seen him selling just 48's on e-bay
if so, he is a low life,
be carefull
 

srdavo

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Nov 4, 2006
Messages
3,161
azkronic said:
revolution cycles, aka motorizedbicycles.net, aka brian semones ------->low life,
I don't know what interchanges with what (internally) on these "Happy Time" china engines.....But, Dennis Foster is still Don Grubee's "go to" guy for parts.

Are you building another bike or replacing one of your current engines?
 
E

erikvilla

Guest
I am replacing the engine on one of my bikes i had 2 80cc bikes but i had a piston shatter in one of my engines so i took parts from the other to fix the broken engine and now the piston is poping up above the head i think because i have a piston from another engine it think its a spitfire engine piston and the engine jug and lower half i have it on is a daxs so i have to try buying a piston from thatsdax.com and see if that fixes that engine. I figured so that i have a bike for the summer i mine as well pick up that engine until i either fix my 80cc or buy the 4 stroke kit that i want to get, just cant afford rite now. I loved my 80cc bikes i wish they were still working hopefully i can fix the one i have with just a new piston. kings motored bikes said he would sell me a replacement 80cc engine for 145 shipped so i may just end up buying another 80cc making that the 4th 80cc engine i bought lol
 
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