The PC310 will fit the following:
 
ATK
All Electric Start Models 1991 - 1995
 
CCM
All Electric Start Models 1996 - 2001
 
Honda
900 CBR900R, RR 1993 - 1999
750 RVF750R (RC45) 1994
750 VFR750R (RC30) 1990
650 NT650 Hawk GT 1988 - 1991
650 NT650V ALL
650 NX650 1988 - 1989
650 SLR650 ALL
650 Vigor 650 ALL
650 XR650L 1993 - 2005
600 VT600C, CD Shadow Deluxe, VLX 1988 - 2003
600 CBR600 1987 - 2000
400 CB400F CB-1 1989 - 1990
200 TR200 Fat Cat 1986
150 CH150 Elite 1987
150 FES150 ALL
125 Fes125 ALL
125 Pantheon 125 ALL
 
Husaberg
All Electric Start Models
1984 - 1987
 
Kawasaki
1000 Z1000 2003 - 2004
900 ZX900-C, Ninja (ZX-9R) 1998 - 1999
900 ZX900-E, F Ninja (ZX-9R) 2000 - 2004
750 KZ750-L Ninja 1993
750 ZX750 Ninja ZX, 7RR 1991 - 1997
650 KLX650C, R 1993 - 1996
636 ZX636-B Ninja ZX-6R 2003 - 2004
600 ZX600-G, J Ninja ZX-6R 1998 - 2002
600 ZX600-K Ninja ZX-6RR 2003
 
KTM
640 Adventurer, Duke, RXC LC4 Super Moto 1999 - 2002
620 Adventure, Duke, LC4 1996 - 1998
400 LC4 E/XC 1996 - 1998
400 RXC LC4 1996 - 2001
 
MV Augusta
750 F4, Brutale 2000 - 2004
 
Suzuki

900 RF900, R, S, ZS 1994 - 1997
750 GSX750F Katana 1998 - 2003
750 GSX-R750 1996 - 1999
750 GSXR750W 1994 - 1995
650 DR650SE 1998 - 2004
650 DR650SE (CN) 1996 - 1997
600 GSF600S Bandit 1996 - 2003
600 GSX600F Katana 1998 - 2004
600 GSX-R600 1997 - 2003
600 RF600R, S 1994 - 1996
400 GSF400 Bandit 1991 - 1993

 
Triumph
600 Daytona 600 2003 - 2004
 
Yamaha
600 XJ600S Seca II 1992 - 1998
600 XT600E 1990 - 1995
 
ATV
Cannondale
Blaze, Cannibal, Moto 440, Speed 2002 - 2003
432 FX400 2001
 
Honda
400 TRX400EX, Sportrax 1999 - 2005
300 TRX300EX, Sportrax 1993 - 2003
250 TRX250EX, Sportrax 2001 - 2005
125 TRX125 FourTrax 1987 - 1988
 
Kawasaki
400 KSF400-A (KFX400) 2003 - 20004
 
Suzuki
400 LT-Z400 Quadsport 2003 - 2005
 
For other applications be sure to check the dimensions of your stock battery for fit.