Se 120r questions

Carman Ratt

New member
Jul 2, 2021
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I destroyed the engine in my bike. Built up the top end [big bore kit] on a 50,000 mile bottom end and it lasted 10,000 miles and now it looks like a glitter bomb went off inside of it. Everything inside it is chewed up. So I ordered some stuff today but I want you to look at my parts list and see what I'm forgetting or what I ordered wrong, lol.
Just looking for another opinion from someone who knows.

SE 120R crate motor
5 1/2 quart oil pan
10 row fan assisted oil cooler
58mm throttle body
5.7gps injectors
Heavy breather air cleaner
Billet clutch hub
Billet clutch basket
Barnett kevlar clutch disc set
Variable pressure clutch
New swingarm bushings
Vulcan works rear chain drive conversion
Plus all gaskets and oil
I spent $ 8,800 total
I already have a good tuned 2-1 exhaust from fuel moto
I also already have the dynojet power vision tuner
If everything goes as planned i hope to be able to have a little fun on it.
Harley says to expect a good 130-140 hp
125-135 foot pounds of torque
Are these numbers exaggerated a bunch or are they in the ballpark in the real world?
 
I destroyed the engine in my bike. Built up the top end [big bore kit] on a 50,000 mile bottom end and it lasted 10,000 miles and now it looks like a glitter bomb went off inside of it. Everything inside it is chewed up. So I ordered some stuff today but I want you to look at my parts list and see what I'm forgetting or what I ordered wrong, lol.
Just looking for another opinion from someone who knows.

SE 120R crate motor
5 1/2 quart oil pan
10 row fan assisted oil cooler
58mm throttle body
5.7gps injectors
Heavy breather air cleaner
Billet clutch hub
Billet clutch basket
Barnett kevlar clutch disc set
Variable pressure clutch
New swingarm bushings
Vulcan works rear chain drive conversion
Plus all gaskets and oil
I spent $ 8,800 total
I already have a good tuned 2-1 exhaust from fuel moto
I also already have the dynojet power vision tuner
If everything goes as planned i hope to be able to have a little fun on it.
Harley says to expect a good 130-140 hp
125-135 foot pounds of torque
Are these numbers exaggerated a bunch or are they in the ballpark in the real world?

Some of the guys will look at it and post back.
 
I don't think the 266 cam that comes in the 120R is what you would want on the street. Talk to Fuel Moto about cam options for the 120R.
They should be able to get you a good initial tuning calibration for the Power Vision also.
 


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