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Unread 02-14-2020, 09:40 AM
Navin Navin is offline
Junior BAT
 
Join Date: Feb 2020
Location: Weeki Wachee, Fla
Posts: 8
Default Ebe075 shifter botch job...

The PO did sone real questionable "repairs" on this little guy. The worst bring this shifter stopper replaced with s torx bolt. In order to almost work it had to be left loose. Terrible job. Anyway, my question is about the silver plate the bolt was kinda supported by. Im guessing that is something he added and not OEM?

I have a new stopper pin coming and figure this thing can go in the bin.

Thanks!
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  #2  
Unread 02-14-2020, 11:05 AM
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jkv357 jkv357 is offline
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Wish I could help you.

I have an EBE075, but haven't had the cover off and am not that familiar with the Derbi trans.
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  #3  
Unread 02-14-2020, 11:32 AM
Navin Navin is offline
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Thats cool, thank you just the same. It really makes me wonder why this 075 engine wasn't far more popular. My buddy and I both agreed it pulled far better than expected when we thought it was a 50cc.

Ive got at least a week till the correct parts arrive so hopefully someone has been in there. My guess is its not correct. The guy I bought the parts from was pretty sure it wasn't supposed to be there.
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  #4  
Unread 02-14-2020, 12:51 PM
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jkv357 jkv357 is offline
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Quote:
Originally Posted by Navin View Post
Thats cool, thank you just the same. It really makes me wonder why this 075 engine wasn't far more popular. My buddy and I both agreed it pulled far better than expected when we thought it was a 50cc.

Ive got at least a week till the correct parts arrive so hopefully someone has been in there. My guess is its not correct. The guy I bought the parts from was pretty sure it wasn't supposed to be there.
I bought mine thinking it was a 50 as well, but after taking it for a spin I was pretty sure it wasn't. Took some investigating to figure out it was a 75.

Mine has an Arrow pipe and Mikuni Flatslide that came on it, but the jetting was way off. Even running poorly it seemed unlikely it was a 50. When I finally got it jetted properly it really took off.
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  #5  
Unread 02-14-2020, 01:04 PM
Navin Navin is offline
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Quote:
Originally Posted by jkv357 View Post
I bought mine thinking it was a 50 as well, but after taking it for a spin I was pretty sure it wasn't. Took some investigating to figure out it was a 75.

Mine has an Arrow pipe and Mikuni Flatslide that came on it, but the jetting was way off. Even running poorly it seemed unlikely it was a 50. When I finally got it jetted properly it really took off.
This poor thing had a 28mm (possible YZ80) carb with a home brewed scrap steel plate manifold and a radiator hose, capped with a crushed clamp on pod filter. Im shocked it ran at all.

But even then it had decent mid range power.
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  #6  
Unread 02-16-2020, 02:40 PM
Navin Navin is offline
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The thing is worse than I thought which is real shame. Threaded boss on the center cases is busted where the shifter stopper pin threads in. See what can be done with it when the new stopper pin arrives.

Another bubble gum and popsicle stick patch. The "plste" was held in by a sheet metal screw in a hole he drilled. WTF?
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  #7  
Unread 02-23-2020, 11:24 PM
Navin Navin is offline
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Join Date: Feb 2020
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Got this old gal shifting again. New shifter stopper pin threaded in tightly to my surprise. Lock tited that in and then rebuilt the boss 360 degrees with epoxy. Sealed the hole the butcher had left, replaced clutch hub and shifter shaft.... and its good!

Managed to pull 63mph without pegging the throttle too. I let her climb to that and it seemed happy to do it. Im guessing it will hit 70 before the drag is too much.
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  #8  
Unread 02-24-2020, 07:26 AM
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jkv357 jkv357 is offline
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Sounds like you got it repaired properly this time.

Good to hear it's working well.
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