The CAT on my plus 4 still stinks with 47 k on the clock, but only after pushing hard or blasting up steep hills.. It’s a sulphur type smell and I often think that the stories of fumes from the exhaust are more related the cat.


Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900