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Old 05-27-2017, 07:09 PM
TwoBigBalls TwoBigBalls is offline
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Default Predator 212 mounted 75* vertical.. flooding

Any tips for having a predator 212 mounted vertically (ohv up) and the carb flooding? It's leaking between the sandwich plate and the carb. Can easily plug it but curious how necessary that breather is. Also, it's flooding out through the jet. Bowl is about 80-90* mounted sideways, I believe the float is getting stuck and letting fuel just flow through the jet too freely. I do have a stage 1 kit with two jets and shaft, air filter and exhaust, however the jets and shaft have not been installed.

Does the float need to be adjusted in so it sits more closed/letting too much fuel in?

This is installed in a dirt bike and everything else is configured correctly so as soon as the motor can start it's good to roll.
Thanks guys.
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Old 05-27-2017, 08:26 PM
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Hello and welcome...

Lets see some pics of this...
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Old 05-27-2017, 08:40 PM
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The engine technically doesn't care which way is up. It's just an air pump. BUT oil systems are designed around gravity. The drain holes and top end lube might have a slight affect. The carb needs to be level. Make a new intake to adjust the carb properly. Remake or cut and reweld the original.
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Old 05-27-2017, 08:44 PM
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Why would you do such a thing--why would you orient the engine in such a way?

You're not going to have proper lubrication that way, if any, and your carburetor isn't going to work as designed.

Keep up these hair-brained schemes and I shall dub thee TwoBigBalls & One Microbrain! jk...
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Old 05-27-2017, 10:22 PM
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Honestly not too experienced with carbs. I'd rather go with direct injection and a throttle body but that's pretty spendy even to diy. I know the oil system is potentially at risk but I would think it'd be fine where it's at. Not too steep of an angle.. but Im use to automotive applications so.

I was going to opt for that but I think it exceeds the username characters allowed haha.
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Old 05-27-2017, 10:32 PM
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Please tell me this is a joke right?

I fixed it!
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Old 05-27-2017, 10:36 PM
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Quote:
Originally Posted by karl View Post
Please tell me this is a joke right?
You should see the monstrosity in the works of three lawn mowers. If it doesn't roll then oh well. Have several other potential uses of the motor. It's been laying around and I've gotten everything else free so.

If it doesn't work as is I'll throw it in this.
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Old 05-27-2017, 11:59 PM
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I guess you can't have big balls and normal sized brains.
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Old 05-28-2017, 12:01 PM
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Just get carb level end of problem...Theres a company that makes board track motorcycle replicas, all the predators on those are vertical...old dog
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Old 05-28-2017, 02:20 PM
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Why not mount engine in normal position? There should be room. Cut and weld if necessary. The shaft still comes out same way.
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Old 05-28-2017, 02:40 PM
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Quote:
Originally Posted by Tom Knight View Post
Just get carb level end of problem...Theres a company that makes board track motorcycle replicas, all the predators on those are vertical...old dog
You sure?

These engines are splash lubricated, with a dipper on the bottom of the connecting rod that flings oil from the sump. His sump is now on its side along with the oil and his dipper is not going to be making any real, useful contact with the oil. Even then, it might not be flung so much as stirred.

He's going to need to rig up a new dipper.
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Old 05-28-2017, 02:43 PM
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Quote:
Originally Posted by Hellion View Post

He's going to need to rig up a new dipper.
He's going to need to just find the original engine, and be done with it.
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Old 05-28-2017, 02:49 PM
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Quote:
Originally Posted by Bbqjoe View Post
He's going to need to just find the original engine, and be done with it.
I dunno, maybe having the slowest dirt bike in the state is his goal and that's enough merit?

The new mantra is, how slow does it go?
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Old 05-28-2017, 02:55 PM
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Quote:
Originally Posted by Hellion View Post
I dunno, maybe having the slowest dirt bike in the state is his goal and that's enough merit?

The new mantra is, how slow does it go?
You know, he could remove the fuel tank in front of the seat, and weld an engine plate in its place.
All that would be needed then is a long chain.
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Old 05-28-2017, 03:16 PM
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Far as fueling goes, could convert to L.P. gas (propane) and run 1 or 2 2lb bottles. L.P. self regulates for incline and elevation. Haven't seen a write up on how to do it on these, but it's doable. Otherwise mount the engine in its normal position, adjust the frame accordingly and not have anymore headaches.
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Old 05-28-2017, 04:10 PM
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After a bit of research on this vert cylinder mounting..... apparently bikes like this are running 20-24oz of oil...no mods on the dipper......

It has a bit more of oil than if it were on its normal mount... but that just brings it to where itll dip and sling it right... Also some run a catch can, and use a different filler cap to mount a vent or can plumbed from there.

There is a proper mount for the carb though, that is requires when you mount the motor like this....
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Old 05-28-2017, 05:39 PM
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A pic, I hope..

[/COLOR]https://www.google.com/search?q=boar...UGLEoOqP9RLLM:
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Old 05-28-2017, 09:50 PM
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Gotta admit, despite the extra issues created, and the fact the original engine and transmission would undoubtedly be better, it does look kinda cool with the cylinder pointing up.
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Old 05-28-2017, 11:12 PM
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Quote:
Originally Posted by B_Bimmer View Post
Gotta admit, despite the extra issues created, and the fact the original engine and transmission would undoubtedly be better, it does look kinda cool with the cylinder pointing up.
Fits better that way too
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Old 05-29-2017, 06:26 AM
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There appears to be enough room to rotate motor correctly, even if you need to cut down tube and reshape it.
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