Grubee GT5 Mounting Question

Elaia_Lychnia · Jul 20, 2011

Hey guys - I have just ordered a Firmstrong Urban Delux (stretch cruiser).

I am looking at getting a Grubee SkyHawk GT5 66/80cc motor kit for it.

For those of you who are familiar with this bike frame and motor kit, will I be able to mount this motor with the part that come with the kit, or will I need to modify something or get other parts?

I am totally new to this "hobby" and have never done anything like this before - I'm just a bicycle enthusiast and have decided to venture into this "new world!"

I would appreciate any advice or help you can offer.

Thanks.

droc089 · Jul 20, 2011

It's definitely not gonna just fit right on to that frame, it needs to have a 70 degree v frame for the gurbee kit. I believe you need something like this: Chopper and Stretch Motor Mount.I suggest doing a lot of research or you'll be pulling your hair out.

Elaia_Lychnia · Jul 21, 2011

Could you please suggest a good motor kit to use on that frame?

droc089 · Jul 21, 2011

Rear mounted kit would be easier, but more expensive. Your bike would look good with a 2 stroke though. I would suggest going for a thatsdax kit, from what I've heard good customer service and don't quote me on it, but probably better parts. I have the Skyhawk gt5 but kinda wish I woulda went dax. Do some research here on that frame and see what you come up with, look up Schwinn sting ray too. It's also a stretch frame bike.

Al.Fisherman · Jul 21, 2011

droc089 said:
It's definitely not gonna just fit right on to that frame, it needs to have a 70 degree v frame for the gurbee kit. I believe you need something like this: Chopper and Stretch Motor Mount.I suggest doing a lot of research or you'll be pulling your hair out.

Unless the GT5 has different mounts then the rest of the Chinese HT's...the "V" angle needed will be 75 degrees.
Engine Mounting pictures by Ron-Becker - Photobucket

Elaia_Lychnia · Jul 22, 2011

Well, I have already ordered the Firmstrong Urban Delux - it was a good price and a great looking stretch. Also, I saw this post - http://motorbicycling.com/showthread.php?t=22533 - Crazy Horse has a front mount motor on a bike of almost exact frame design.

I really want to do the front mount without spending a ton or pulling my hair out trying to build it.

Is there a specific location that the motor needs to be? (closer to the crank or closer to the front of the frame)?

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Grubee GT5 Mounting Question

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