2hp to 3hp conversion

[Bluecamaro]

I've noticed that the 3.5 horsepower has a different chamber is this going to be advantageous on a two horsepower motor, possibly fly cutting it to get the cwinch back down or maybe that is a mistake on a small motors

 

[Bluecamaro]

When you say sump cover I'm assuming your meaning the side cover, can the factory one be machined for a roller bearing or ball bearing or is there not enough material there

 

[cl350rr]

I've noticed that the 3.5 horsepower has a different chamber is this going to be advantageous on a two horsepower motor, possibly fly cutting it to get the clinch back down or maybe that is a mistake on a small motors

Your time and effort would be better spend reshaping the intake port to eliminate the dead pockets in the corners and do a slight round-over of the cylinder wall where the combustion chamber part of the head meets the deck.

BTW, this is a ball bearing side cover;

 

[Bluecamaro]

Are there any camshafts available for these motors, is there a nickname for the smaller block is this what they are referring to as an L head

 

[sparkwizard]

L head refers to the valves in the block, making the cylinder/ combustion chamber resemble an inverted "L". We call it a "flathead".

 

[Thepaetsguy]

Gutless until modified still underpowered after modifications.


You have options for a flywheel/springs then a carb/header besides a ball bearing pto that is it. Everything else will be done hackjack backwoods style. I welded a cam that sounded great.

 

[Bluecamaro]

Is there a p/n on the flywheel?, cam reminds me of what chevy used on some small block timing gear sets in the late 70s

 

[Thepaetsguy]

Sorry I missed your reply ARC 6605 3hp diameter. They are not the cheapest things.

 

[Bluecamaro]

If I use a retaining screw style clutch, what keeps the clutch from moving further down the shaft

 

[Bluecamaro]

If I use a retaining screw style clutch, what keeps the clutch from moving further down the shaft

I thought they used grub or allen set screws

 

[massacre]

If I use a retaining screw style clutch, what keeps the clutch from moving further down the shaft

You could try using a spacer?

 

[Minimichael]

It's not likely to go far with a key in place?

 

[RobertC]

It's not likely to go far with a key in place?

Yes , @Bluecamaro typical mini bike application, there's a keyway in the pto shaft , and one on the clutch. Line up the keyways, and put in a 5/16th x whatever steel key.

Then the clutch floats on the drive shaft , held in place via the keyways , and key.

 

[massacre]

It's not likely to go far with a key in place?

I would file a keyway into the spacer?

 

[Bluecamaro]

How do I hookup a remote kill switch to a 2hp briggs

 

[Havasu Dave]

How do I hookup a remote kill switch to a 2hp briggs

Who are you? Why don't you introduce yourself to everyone, since you're dead set on asking questions, with zero "thanks" or recognition of the answers you are given.

 

[Bluecamaro]

Have been chitchating with a couple of the guys on here for the past month or so..

 

[Bluecamaro]

I'm jason, I live in eastern Washington, but getting ready to move to dayton tennessee in a month or two. Found an old 2hp in the barn, sent it to my buddy for his little boys mini bike and trying to help him get it running

 

[Minimichael]

The best way I've found is to fish a solid wire (or stranded) to the set spring of the points/condenser arrangement behind the flywheel, with another wire grounded to the block at the engine mount. Put a switch in between. You will hear others say a kill wire attaches at the coil; that never worked for me. And if you have one of those single-wire handlebar switches, the assembly itself grounds at the bar - which always spooked me out.

 

[Bluecamaro]

The best way I've found is to fish a solid wire (or stranded) to the set spring of the points/condenser arrangement behind the flywheel, with another wire grounded to the block at the engine mount. Put a switch in between. You will hear others say a kill wire attaches at the coil; that never worked for me. And if you have one of those single-wire handlebar switches, the assembly itself grounds at the bar - which always spooked me out.

That looks easy enough thank you!