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PRO Outboard

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Professional Racing Outboard (PRO) is the most diverse and electrifying category the APBA has to offer. With 19 classes, PRO boats speeds range from moderate to blazing fast, old tech to cutting edge tech and cost ranges from extremely affordable to substantial investments. Looking for power? Completion engines in the PRO category can run at upwards of 13,000 RPMs – compare that to a typical stock race car that runs at 7,000 RPMs and you’ll understand why we think water beats pavement any day. 

Classes

How do you choose the best class for you? PRO Boats are roughly 9 to 14 feet long and weigh 100 to 250 pounds. Most are made of wood; but carbon fiber, honeycomb and other high-tech materials are also used. Most drivers kneel in the cockpit; some boats are driven in a lay-down position; some have the driver seated. Typically the left hand works the spring-loaded throttle and the right hand handles the steering wheel.

The boats are of two distinct designs—Hydros and Runabouts.

Hydros ride on a cushion of air; the boat contacts the water's surface on two sponsons  (projections) and the propeller. The design is generally unrestricted, challenging those who wish to experiment in boat design and construction.

Runabouts have certain restrictions, like minimum lengths. While there is great variety in runabout design, generally they have a flat riding surface, tapered to a point in front, and do not channel air under the hull. While, typically slower than Hydros, the thrills of racing runabouts are unmatched, just watch a runabout round a bouy  and you’ll see the difference!

Thirteen of the PRO classes are based primarily on motor displacement.  They are sometimes referred to as “bore and stroke” classes.  The maximum displacements of bore and stroke classes are 125cc (128.75cc), 175cc, 250cc (257.5cc), 350cc, 500cc, 700cc, and 1100cc (1133cc).  There are no minimum weights in these classes, and in the hydro classes, there are few restrictions on hulls.  The three largest hydro classes, 500ccH, 700ccH, and 1100ccH must utilize a reinforced cockpit (capsule) with the driver seated.  The 125cc classes must use one cylinder motors.  The 1100cc Runabout must carry two persons, a driver and a “rider”.  Most bore and stroke classes utilize a fuel based on methanol and oil.

The K PRO Hydro class is a class for kids only.  The OSY400 class is the USA version of the largest UIM  powerboat racing class in the world.  K PRO Hydro and OSY400 are restricted to gasoline and oil fuel. The C Service and C Racing classes are based on American built fishing and racing motors from the 1930s to the 1950s.

1100cc Hydro
1100cc Runabout
125cc Hydro
125cc Runabout
175cc Hydro
175cc Runabout
250cc Hydro
250cc Runabout
350cc Hydro
350cc Runabout
500cc Hydro
500cc Runabout
700cc Hydro
C Racing Hydro
C Racing Runabout
C Service Hydro
C Service Runabout
K Pro Hydro
OSY-400

1100cc Hydro

Boats competing in the 1100ccH class must utilize a reinforced cockpit with approved driver restraints. Additionally, the 1100ccH class has the following displacement ranges for 2-stroke and 4-stroke motors:

2-Stroke:
Min. cc's = Over 350
Max cc's =1,133

4 Stroke: 
Min. cc's = Over 525
Max cc's = 1,699.5

Requirements
Minimum Age: 
18 years old
Engine: 
Any motor over 350cc up to and including 1133cc
Statistics
Competition Record: 
96.463 mph
Straightaway Record: 
126.382 mph
Previous Season National Champion: 
Amy Nydahl

1100cc Runabout


PRO Boat Racing
Requirements
Minimum Age: 
18 years old
Minimum Length: 
13’
Engine: 
Any motor over 500cc up to and including 1133cc
Statistics
Competition Record: 
83.536 mph
Straightaway Record: 
109.448 mph
Previous Season National Champion: 
Mike Thirlby/ Julia Baker

125cc Hydro


125cc Outboard Racing
Requirements
Minimum Age: 
14 years old
Engine: 
Any single-cylinder motor up to and including 128.75cc
Statistics
Competition Record: 
72.816 mph
Straightaway Record: 
84.320 mph
Previous Season National Champion: 
Kristi Ellison

125cc Runabout

The 125cc Runabout class was first introduced to the APBA mid-season during 2002. These single-cylinder two-stroke engines scream, turning upwards of 14,000 rpms and pushing speeds of 80 MPH - compare that to a NASCAR motor, which tops out at a regulated 9,000 RPM. 

PRO Outboard Racing
Requirements
Minimum Age: 
14 years old
Minimum Length: 
11’ 6”
Engine: 
Any single-cylinder motor up to and including 128.75cc
Fuel: 
Any non-pressurized liquid fuel is permitted
Statistics
Competition Record: 
56.273 mph
Straightaway Record: 
76.076 mph
Previous Season National Champion: 
Paul Bosnich III

175cc Hydro

Outboard Pro Racing
Requirements
Minimum Age: 
16 years old
Engine: 
Any motor up to and including 175cc
Fuel: 
Any non-pressurized liquid fuel is permitted
Statistics
Competition Record: 
62.312 mph
Straightaway Record: 
74.350 mph
Previous Season National Champion: 
Jon Wienandt

175cc Runabout

PRO Runabout Racing
Requirements
Minimum Age: 
16 years old
Minimum Length: 
11’ 6”
Engine: 
Any motor up to and including 175cc
Statistics
Previous Season National Champion: 
Buddy Tennell

250cc Hydro


250cc Hydro Racing
Requirements
Minimum Age: 
16 years old
Engine: 
Any motor over 175cc up to and including 257.5cc
Statistics
Competition Record: 
92.497 mph
Straightaway Record: 
107.520 mph
Previous Season National Champion: 
Chris Hellsten

250cc Runabout


Outboard Powerboat Racing
Requirements
Minimum Age: 
16 years old
Minimum Length: 
11' 6"
Engine: 
Any motor over 175cc up to and including 257.5cc
Statistics
Competition Record: 
77.754 mph
Straightaway Record: 
84.866 mph
Previous Season National Champion: 
Buddy Tennell

350cc Hydro

"Nothing focuses the mind better than the constant sight of a competitor who wants to wipe you off the map." - Wayne Calloway

PRO Outboard Racing
Requirements
Minimum Age: 
18 years old
Engine: 
Any motor over 257.5cc up to and including 350cc
Statistics
Competition Record: 
93.168 mph
Straightaway Record: 
113.408 mph
Previous Season National Champion: 
Zachary Malhiot

350cc Runabout

PRO Powerboat Racing
Requirements
Minimum Age: 
16 years old
Minimum Length: 
12'
Engine: 
Any motor over 257.5cc up to and including 350cc
Statistics
Competition Record: 
75.789 mph
Straightaway Record: 
90.881 mph
Previous Season National Champion: 
Rick Miller

500cc Hydro

PRO Outboard Racing
Requirements
Minimum Age: 
18 years old
Engine: 
Any motor over 350cc up to and including 500cc
Speed: 
100+ MPH
Statistics
Competition Record: 
104.348 MPH
Straightaway Record: 
126.076 MPH
Previous Season National Champion: 
Rick Miller

500cc Runabout


Outboard Racing
Requirements
Minimum Age: 
18 years old
Minimum Length: 
13’
Engine: 
Any motor over 350cc up to and including 500cc National Champion
Statistics
Competition Record: 
85.837 mph
Straightaway Record: 
95.130 mph
Previous Season National Champion: 
Rick Miller

700cc Hydro


PRO Hydroplane Racing
Requirements
Minimum Age: 
18 years old
Engine: 
Any motor over 500cc up to and including 700cc
Statistics
Competition Record: 
101.050 mph
Straightaway Record: 
130.563 mph
Previous Season National Champion: 
Amy Nydahl

C Racing Hydro

 

The C Racing Hydroplane (CracH) classes are based on the American-built factory racing outboard motors approved for use in the C Racing classes during the 1930s, ’40s, and ’50s. All approved motors feature 2-cylinder engines with 30 cubic inches of displacement. The C Racing Hydro class has a maximum propeller height limit of 2.25 inches. Propeller height is defined as the maximum distance that the propeller blade may extend above the bottom of the boat.(measured from the true bottom—not measured from any tunnel).

Outboard Boat Race
Requirements
Minimum Age: 
16 years old
Engine: 
Johnson PR, Evinrude Racing C, Hubbell Racing C
Minimum Weight: 
450 lbs.
Statistics
Competition Record: 
63.672 mph
Straightaway Record: 
70.393 mph
Previous Season National Champion: 
George Thornhill

C Racing Runabout

Runabout Racing
Requirements
Minimum Age: 
16 years old
Minimum Length: 
13’
Engine: 
Johnson PR, Evinrude Racing C, Hubbell Racing C
Minimum Weight: 
500 lbs.
Statistics
Competition Record: 
58.449 mph
Straightaway Record: 
64.680 mph
Previous Season National Champion: 
Jay Walls Jr

C Service Hydro

C Service Hydro (CSerH) is based only upon the American-built fishing and pleasure outboard motors listed below and approved for use in the C Service classes during the 1930s, ’40s, and ’50s

PRO Outboard Racing
Requirements
Minimum Age: 
14 years old
Engine: 
OMC Speeditwin, Johnson P-50, Johnson PX-50, Johnson PO
Minimum Weight: 
450 lbs.
Statistics
Competition Record: 
55.557 mph
Straightaway Record: 
59.469 mph
Previous Season National Champion: 
Jay Walls Jr

C Service Runabout

The C Service classes are based only upon the American-built fishing and pleasure outboard motors listed below and approved for use in the C Service classes during the 1930s, ’40s, and ’50s.

PRO Hydro Racing
Requirements
Minimum Age: 
14 years old
Minimum Length: 
13’
Engine: 
OMC Speeditwin, Johnson P-50, Johnson PX-50, Johnson PO
Minimum Weight: 
500 lbs
Statistics
Competition Record: 
53.887 mph
Straightaway Record: 
60.408 mph
Previous Season National Champion: 
Jay Walls Jr

K Pro Hydro

The K PRO Hydro (KPH) Class is the PRO Category's own spin on the Junior Classes. Allowing aspiring racers to get an early start on the competition, KPH racing is for ages 11-16. As an entry-level class, KPH is the only PRO Hydro class that uses stock outboard motors. The OMC J/A and Mercurcy 15 motors used in the KPH Class are identical to those in the Junior Classes, allowing cross-category participation for kids and more bang for your racing buck!

Requirements
Minimum Age: 
11 years old
Engine: 
Mercury 60J, OMC J/A 13.2 cu. in, Merchry J/A15 (15.9 cu. in. produced in 1999 or later)
Minimum Weight: 
None
Hull: 
Must be a hydroplane
Statistics
Competition Record: 
52.234 MPH
Straightaway Record: 
57.884 MPH
2012 National Champion: 
Will Augustine

OSY-400

OSY-400 is an international class raced throughout the US and Europe. That makes for big, highly competitive fields vying for World championships, National titles and speed records.

The boat must be a hydroplane type, without weight restrictions.

OSY-400 Hydroplane Racing
Requirements
Minimum Age: 
14 years old
Engine: 
Yamato 80, Yamato 102, Yamato 202, Yamato 302
Statistics
Competition Record: 
65.455 mph
Straightaway Record: 
74.579 mph
2012 National Champion: 
John Peeters