Kev Stephenson engine tuning services boast a wealth of experience, let the history speak for itself:
1990 to 1994 Allan Jefferies motorcycles
1990 David Jefferies BSS
1991 David Jefferies BSS
1992 David Jefferies BSB ,Nick Jefferies TT
1993 David Jefferies BSB Nick Jefferies TT win
1994 Castrol Honda BSB , NW200,TT, UGP wins at TT and 4races at Ulster gp
Phillip Mccallem,Steve Hislop, Joe
y Dunlop
1995 Medd racing Honda BSB Jim Moodie,Ron Haslam,Paul Brown
1995 Castrol Honda TT phillip Mccallen
1996 Cabb Racing Honda BSS
1996 Reve Kawasaki TT Jim Moodie
1996 Castrol Honda NW200 Phillip mccallen wins
1997 Cabb racing Honda BSS, Steve Plater
1998 Cabb repsol Honda BSS, Karl Harris
1999 Cabb Suzuki racing Jago Chapman
2000 Virgin Yamaha BSB, Steve Hislop,Paul Brown,Anthony Gobert
2001 Virgin Yamaha BSB James Haydon,
2002 Virgin Yamaha BSB Steve Plater, Simon Crafar,Sean Emmett
2003 Virgin Yamaha BSB Steve Hislop,Garry Mason
2003 Yamaha UK TT Jason Griffiss
2004 Virgin Yamaha BSB Steve Plater, James Haydon, Tommy Hill
2004 Yamaha Uk TT
2005 Virgin Yamaha BSB , Tommy Hill, Sean Emmett
2006 Virgin Yamaha BSB tommy Hill, Billy maconnall
2006 Virgin Yamaha WSB Tommy Hill ,Silverstone Pole Position
2007 Virgin Yamaha BSB Tommy Hill
2007 Virgin Yamaha BSS Billy maconnal,Tom Grant
2008 Rob Mac Racing Yamaha BSB Karl Harris
2009 Motorpoint Yamaha BSB Chris Walker,
2010 Rev2Race roads team, Garry Johnson Nw200,TT, UGP
2010 Rev2Race Manx GP Simon Fulton double winner
2011 Rev2Race NW200, TT
2012 Quattro Kawasaki BSB Garry Mason, Karl Harris
2012 Quattro Kawasaki TT Dave Johnson
2013 crew chief for Karl Harris PR Kawasaki BSB Team
ADDITIONAL:
2000 to end of 2009 Yamaha racing chief Engineer and engine builder and developer
2002,2003 built engines for Yamaha factory team for suzuka
2005 designed and developed Yamaha (Pig) different firing order R1
2000 and 2001 fastest bike throw speed trap at Brands WSB
2010 engines built for east coast racing BSS CUP champions
2010 engines built for east coast racing TT privater champions
2016 to 2019 mechanic PBM and Shakey Byrne
2019 to 2021 engine devlopment/builder for McAMS Yamaha. Mechanic for Taz Mckenzie & Jason O' Halloran
