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Discussion Starter · #1 ·
I have a 07 Prowler 650 H1 base model that I stripped out the reverse gear and now has a 09 engine with 30 hrs. on it. I was thinking that it would run close to 55 mph down the hwy but went on a ride last night and a friend with a spedo said I was running 35mph and I had it to the floor in high. Does anyone know how fast it should run? If I have a problem how can I fix it? Any advice would be greatly appreciated.
 

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I would run a compression test.

How fast would it run b4 engine swap?

Did you use your clutches or the clutches with the new/used motor?

Do you know what rollers are in the primary?
Is the secondary spring clocked tighter?

Do you have full windshield or taller tires?

You should be able to get mid 40's.

How are you jetted is it pretty fat?

Lots of variable's........
 

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I have an 07 with an after marke rev limiter, intake and exhaust that will run 53mph. I just got my clutch back airdam with stage 5 work and I am looking forward to more HP to the rear wheels.
 

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Discussion Starter · #4 ·
On the compression test.... It better have good compression because it was installed as a new complete top to bottom engine and used very little.

Not sure how fast it went before, I have the base model so I don't have a spedo but I thought it would go around 50-55

The engine had new clutches and new belt.

No idea on the rollers or spring. This engine was supposed to be stock

no windshield 27"tires, the same as was on there the last engine

the jetts are stock they used the original carb
 

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Your 27's are they radial?

My 650 would blow away my buddy's rhino until I put 27" mudlite xtr's on it.
Then he would dominate me in a drag.

I had a highly modified motor and could only get around 52 after a mile run.

4seater full cab ect very heavy.
 
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