Mar 13

Mar 13 - Mar 15

Spring Thunder Tavares Fl.

VINTAGE

Lake Dora

Tavares, FL

Mar 14

Mar 14 - Mar 15

63rd Annual Region 9 Bud David ...

OB RR-INB-PRO-KPH-MOD-SO-OPC-J CLSES

Thermalito Afterbay

Oroville, CA

Apr 10

Apr 10 - Apr 12

2026 Jesup Championships

PRO-KPH-MOD-SO-J CLSES

Lake Lindsay Grace

Jesup, GA

Apr 11

Apr 11 - Apr 12

The 2026 Blue Water Resort & Cas...

INB-MOD-SO-J CLSES

Colorado River

Parker, AZ

Apr 18

Apr 18 - Apr 19

Salmon River Jet Boat Race

SE-JRR

Salmon River

Riggins, ID

Apr 25

Apr 25 - Apr 26

2026 Moses Lake Stock/Mod Wester...

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

Moses Lake

Moses Lake, WA

May 9

May 9 - May 17

2026 World Jet Boat Marathon Cha...

JRR;W

Payett,Salmon.Clearwater,Snake,St.Joe rivers

Emmet, Idaho , ID

May 15

May 15 - May 17

Thunder on Cocoa Beach

OS;N

Atlantic

Cocoa Beach FL, FL

May 16

May 16 - May 17

Harford County Spring Nationals

INB

Bush River

Edgewood, MD

May 22

May 22 - May 25

Boatnik 2026

SE-JET SPRI-OB RR-DRAG

Rogue River

Grants Pass, OR

May 29

May 29 - May 31

Inboard Driving School

INB

Champions Lake Park

SPRINGFIELD, OH

May 30

May 30

Spring Testing

VINTAGE-INB-UNL

Columbia River

Kennewick, WA

Jun 5

Jun 5 - Jun 7

Rumble on the River

VINTAGE

Piney Point, Md.

City, ST

Jun 5 - Jun 7

Piney Point Rumble on the River

VINTAGE

St. George\'s Creek

St. George’s Creek, MD

Jun 6

Jun 6 - Jun 7

Hardys Race for the Lake

INB;N

Lake Decatur

Decatur, IL, IL

Jun 6 - Jun 7

Queen Marinette Regatta

PRO-KPH

Menominee River

Marinette, WI

mobile menu
expand
Professional Racing 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