Sprocket Sizes for street riding?

pdee4t
Posts
86
Joined
7/15/2014
Location
AU
Edited Date/Time 2/3/2015 6:27pm
Hey guys. Need a bit of help choosing sprocket sizes for street riding. The current stock gearing is 14/50, but I want a little less RPM when I'm cruising along the streets(I want the bike to not be so high in the rev range).
I don't want to go too much smaller with the rear, as I will still be taking the bike dirt riding.
What gearing do people recommend?
I was thinking of going with the 48t rear sprocket, instead of the 50, but how much of a difference will 2 less teeth make in lowering the RPM?
I'm open to options and ideas, just as long as I don't go too short with the sprockets or gearing, that will still be decent enough for dirt riding.
Bike is a KTM 450 EXC 2004 model with 6 gears.
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Paw Paw 271
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3632
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4/3/2013
Location
Benton, LA, USA
2/2/2015 10:34am
Why not just change the front sprocket to a larger unit, like a 15, if the chain is long enough. That would be the same as removing 3 teeth from the back.
With that said, it is always best to change both sprockets and chains at the same time. The way around that is to use an o ring or a x ring chain.

Paw Paw
pdee4t
Posts
86
Joined
7/15/2014
Location
AU
2/2/2015 7:39pm
yeah my current chain is an x-ring
pdee4t
Posts
86
Joined
7/15/2014
Location
AU
2/3/2015 3:58am
is it safe to use an impact wrench just to undo the front sprocket bolt?
2/3/2015 8:31am Edited Date/Time 2/3/2015 8:32am
pdee4t wrote:
is it safe to use an impact wrench just to undo the front sprocket bolt?
Yes.
Best to leave the chain on and the trans in neutral to take the impact off the gearbox, but if not they can handle the impact wrench's torque.

The Shop

pdee4t
Posts
86
Joined
7/15/2014
Location
AU
2/3/2015 9:18am Edited Date/Time 2/3/2015 9:18am
Ok cool. Thanks Smile
Should I also use loctite on the sprocket bolt?
2/3/2015 9:27am
pdee4t wrote:
Ok cool. Thanks Smile
Should I also use loctite on the sprocket bolt?
If there's a washer that gets bent around the bolt or some type of mechanical lock, no. Otherwise, use Loctite.
pdee4t
Posts
86
Joined
7/15/2014
Location
AU
2/3/2015 6:27pm
Yeah mine has a round spring washer that goes around the bolt.

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