74 gpx 433..which belt to use?

[thunderjet440]

comet 102 c on a 74 gpx 433,they list 2 belts 1106 and 1028 in my old catalog here,which one do i need? i always thought the 74 used the 1028 and the 75 1106???

 

[YAMMIEGOD3:16]

RUN THE 1106, OR POSSIBLY A 1049 (tip) 3:16 (yammie tony)

 

[Yamaha Nutz]

i run the 89X yamaha belt on all my sleds the dayco are too soft IMHO but then again that is all i ever use is the 89X the daycos are spares in the trail sleds