May 23

May 23 - May 26

Boatnik 2025

SE-JET SPRI-OB RR-DRAG

Rogue River

Grants Pass, OR

May 24

May 24 - May 25

Red River Rumble F1 Powerboat Sh...

OPC

Red River

Shreveport, LA

May 24 - May 25

Newberg Memorial Weekend Boat Ra...

PRO-KPH-MOD-SO-OPC-J CLSES

Willamette River

Newberg Oregon, OR

May 24 - May 25

Spring Franklin

MOD-SO-J CLSES

Justus Lake

Franklin, PA

May 30

May 30 - Jun 1

Inboard Driving School

INB

Champions Lake Park

Springfield, Ohio, OH

May 31

May 31 - Jun 1

15th Annual Harry Brinkman Memor...

MOD;R-PRO-KPH-SO-J CLSES

Lake Clare

Huntington, IN

May 31 - Jun 1

Fireside 500

SO-J CLSES

Grand Lake

Presque Isle, MI

Jun 3

Jun 3 - Jun 7

Solar Splash: The Intercollegiat...

SE

Clark County Fairgrounds, Champions Park Lake

Springfield, OH

Jun 6

Jun 6 - Jun 8

Hydrofest on the Kennebec

MOD-SO-J CLSES

Kennebec River

Fairfield, ME

Jun 6 - Jun 8

Queen Marinette Regatta

PRO

Menominee River

Marinette, WI

Jun 6 - Jun 8

Guntersville Lake HydroFest

INB-OS-SO-OPC-UNL

Lake Guntersville

Guntersville, AL, AL

Jun 7

Jun 7 - Jun 8

Hardys Race For The Lake

VINTAGE-INB

Lake Decatur

Decatur, IL

Jun 7 - Jun 8

Lake Minden Regatta

PRO-KPH-MOD-SO-J CLSES

Lake Minden

Nicolaus, CA

Jun 7 - Jun 8

Piney Point Rumble on the River

VINTAGE

St. George\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s Creek

Piney Point, MD

Jun 7 - Jun 8

Sonny Days

OB RR

Trinity River

Hoopa, CA

Jun 7 - Jun 8

4th Annual Howard Shaw Memorial ...

PRO-KPH-MOD-SO-J CLSES

Silver Lake

Everett, WA

mobile menu
expand
Professional Outboard Menu

OSY-400

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 Specifications

Minimum Length:
Minimum Weight:
Engine:Yamato 80, Yamato 102, Yamato 202, Yamato 302
Fuel:
Approximate Speed:

OSY-400 High Point Winners

YearDriver/OwnerRacesPoints
2023RYAN GOWIN268454
2022JIM TRYON196002
2021RICK CHRISTENSEN227265
2019RYAN GOWIN124719
2018RYAN GOWIN154248
2017KEN MCMURPHY135125
2016KEN MCMURPHY144750
2015ROBERT CRONIN104000
2014AARON SALMON124036
2013ROBERT CRONIN103900
2012JERZEE HOLMAN165859
2011JERZEE HOLMAN155575
2010JONATHAN NILSEN195940
2009JAMIE NILSEN227291
2008TONY LOMBARDO207248
2007TONY LOMBARDO236358
2005TONY LOMBARDO319147
2004TONY LOMBARDO288151
2004JAMIE NILSEN278157
2003J MICHAEL KELLY227463
2002BOB WARTINGER339905

OSY-400 National Champions

YearDriver/Owner
2023THOMAS K SMITH
2021RYAN GOWIN
2019RYAN GOWIN
2018MATT DAGOSTINO
2017J MICHAEL KELLY
2016DANIEL KORPE
2015JOHN PEETERS
2014AARON SALMON
2013JOHN PEETERS
2012JOHN PEETERS
2011JOHN PEETERS
2010JOHN PEETERS
2009JOHN PEETERS
2008JOHN PEETERS
2007JOE PATER
2006JOE PATER
2005BILLY R ALLEN
2004BILLY R ALLEN
2003JOE PATER
2002J MICHAEL KELLY

OSY-400 Records

RecordSiteDriver/OwnerSpeed
3 mile/3 laps
APBA
Sep 15, 2024
Yelm, WA
Ryan Gowin
Ryan Gowin
64.424
3 mile/4 laps
APBA
Mar 26, 2006
Pineville, LA
J. Michael Kelly
J. Michael Kelly
58.071
5 mile/3 laps
APBA
Sep 20, 1997
Yelm, WA
Bob Wartinger
Bob Wartinger
64.641
5 mile/4 laps
APBA
Apr 30, 2023
Yelm, WA
J. Michael Kelly
Lee Sutter
67.430
5 mile/5 laps
APBA
Sep 7, 2003
Yelm, WA
Bob Wartinger
Bob Wartinger
61.549
Kilo
APBA
Sep 21, 2019
Lincoln City, OR
Bob Wartinger
Bob Wartinger
81.729
1/4 mile
APBA
Sep 21, 2019
Lincoln City, OR
Bob Wartinger
Bob Wartinger
79.752