The PC545MJ will fit the following:
 
Motorcycles
Buell
1200 S1 Lightning 1996 - 1999 *
1200 X1, S3, S3T, M2 All
1200 S2, S2T, RR1200, RS1200, RSS1200 All
1000 RR1000 1987
 
Harley Davidson
1450 FXST, FLST 2000 - 2003
1340 FXST 1991 - 1999
1340 FLST 1991 - 1999
 
Kawasaki
1000 KZ 1000-P Police 1982 - 2003
 
For other applications be sure to check the dimensions of your stock battery for fit.