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using x mx rims and holeshot 18 tires in back with 14/42 sprockets is the way to go or what do you think?
 

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Compared to my other quads the ds450 has super short gearing... So I would think it's good to go from the factory... But I race desert, not mx... So we need top speeds
 

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Its nice to have a couple options IMO

Depends on your mods an riding style? not sure if you meant stock gearing or stock motor? If you have a motor that pulls good on the low to mid then you can gear higher. Even a full system can make a big difference. The ds450 stock does not have excess low to mid & IMO pulls better in the upper rpms. With the smaller rear tires you might be fine? Some times a front sprocket might be too much? I use to like to gear down more, but seems like you end up shifting much more.

I am running 14 front 38 rear but with oem hub not sure if you can run that. Sometimes feels like I could go higher, but also the motor I have is setup with lots of mid power so it works. :ponder:
 

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The 14 38 would have more top end but I wonder what would get there faster? the 14 42 stock or 14 38. I have a ron woods system and i have 15 42 which is fast down a road but cant pull 5th gear across a field. I was considering 15 43 and hoping to have a little more torque in 5th and get back a little low end power in the trails.
 

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The 14 38 would have more top end but I wonder what would get there faster? the 14 42 stock or 14 38. I have a ron woods system and i have 15 42 which is fast down a road but cant pull 5th gear across a field. I was considering 15 43 and hoping to have a little more torque in 5th and get back a little low end power in the trails.
what tires are you running? i run stock gears with 18" rears and 5th has loads of torque, but on 20" 5th seems to lack any balls, yet its still not that fast :ponder:
 

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the can am x team using a gearing ratio of 13/39, thats wat can am told me to use with 18 inch tires i am ordering the tires and stuff next week so i dont know how well it works but thats what the guy at the race departement told me so im gonna try it
 

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The 14 38 would have more top end but I wonder what would get there faster? the 14 42 stock or 14 38. I have a ron woods system and i have 15 42 which is fast down a road but cant pull 5th gear across a field. I was considering 15 43 and hoping to have a little more torque in 5th and get back a little low end power in the trails.
what tires are you running? i run stock gears with 18" rears and 5th has loads of torque, but on 20" 5th seems to lack any balls, yet its still not that fast :ponder:
I am running the stock holeshots which are 20". I just got my 43 rear sprocket on today and its way better. I havent raced my brothers ltr to compare but I imagine I will be faster than I was. My max rpm with 15 42 was 80.7mph on a hard dirt road and I went by his ltr. I am guessing my new top speed is gonna be around 78 79 but I can shift into any gear and it pulls great.
 

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Its nice to have a couple options IMO

Depends on your mods an riding style? not sure if you meant stock gearing or stock motor? If you have a motor that pulls good on the low to mid then you can gear higher. Even a full system can make a big difference. The ds450 stock does not have excess low to mid & IMO pulls better in the upper rpms. With the smaller rear tires you might be fine? Some times a front sprocket might be too much? I use to like to gear down more, but seems like you end up shifting much more.

I am running 14 front 38 rear but with oem hub not sure if you can run that. Sometimes feels like I could go higher, but also the motor I have is setup with lots of mid power so it works. :ponder:
What fuel system would you recommend upgrading too? looking to add bottom end without messing w any ecu's or i may end up having to get a dyno anyway. what fuel system do you recommend?
 

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The 14 38 would have more top end but I wonder what would get there faster? the 14 42 stock or 14 38. I have a ron woods system and i have 15 42 which is fast down a road but cant pull 5th gear across a field. I was considering 15 43 and hoping to have a little more torque in 5th and get back a little low end power in the trails.
where do you find a 43 rear? i can fin anything bigger then a 42. any links?
 
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