Bigger tires will strain the belt. If its a stock belt, it most likely isn't going to last too much longer. Experience with my grizzly at least.
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86 Yamaha moto 4 stock 80cc
04 BMX 70, cut up, and reworked with mid sized front end +6, +4 axle and new carrier. 4 speed 110 Lifan, heel toe shifter, CR250 bars.. he likes the wide bars :-)
06 Baja "Extreme" 300 sold to brother, still pink LOL
09 450 Grizzly Wifee new ride!!!
86 Lt 250r now running completely stock 97 RM250. 38mm air striker, anti vibe stem, ac nerfs.
04 SEXY ***** FX4 F150, Airriad intake edge programmer Gibson single exhaust SUZUKI YELLOW!