What size is the GasBike 78.5cc Clutch bolt?

MadCat

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I have the GasBike 78.5cc engine and need a new clutch bolt. The one that came with it is too short and stripped on the tip, I know its cheap crap.
I searched the forum and didn’t find anything. I plan to buy a hardened bolt to replace it.
 
I have the GasBike 78.5cc engine and need a new clutch bolt. The one that came with it is too short and stripped on the tip, I know its cheap crap.
I searched the forum and didn’t find anything. I plan to buy a hardened bolt to replace it.
Take the old bolt to ACE hardware match the threads and get longer one. Take something (wire) and stick on the hole and see how deep it is first, so not to get to long..........Curt
 
I have the GasBike 78.5cc engine and need a new clutch bolt. The one that came with it is too short and stripped on the tip, I know its cheap crap.
I searched the forum and didn’t find anything. I plan to buy a hardened bolt to replace it.
The so called GasBike 78.5cc engine is a Harbor Freight 79cc Predator.
Buying it from Harbor Freight will get you a real warranty where as buying from GasBike means
you are on your own.

the bolt size is listed here on the HF manual.
https://manuals.harborfreight.com/manuals/69000-69999/69733.pdf
 
The so called GasBike 78.5cc engine is a Harbor Freight 79cc Predator.
Buying it from Harbor Freight will get you a real warranty where as buying from GasBike means
you are on your own.

the bolt size is listed here on the HF manual.
https://manuals.harborfreight.com/manuals/69000-69999/69733.pdf


Not completely true. I happen to have bothe engines and both are different sizes. I found both manuals today.
The GasBike 78.5cc engine uses a 1/4 in-28 bolt
The Predator 79cc engine uses a 5/16 in-24 bolt
This is according to the specifications in both manuals that came with the engines.
I’m buying both sizes tomorrow to confirm
 
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