stock gearing was 21/40 with a 70 link chain. gear ratio of 2.14:1. the mtn max has 8t drivers so the standard calculation wont apply. any drop in upper gear tooth count should use a 68 link chain. a 42t bottom gear works well on this sled.
i would have to tell ya when the snow flies as i do not recall. i just know mine with a 21 and pipes i pull around my bros stock one with a can and 19. leave the line about the same but around the mid/top i take off. but climbing not too much difference i might get a bit more track speed but not much more. hope that helps ya.
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