| Stock front tire |
80/100-21 |
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| Stock Rear tire |
120/90-18 |
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| Dunlop 606 Front |
90/90-21 |
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| Dunlop 606 Rear |
120/90-18 |
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| Stock
Front Sprocket |
15 |
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| Stock Rear Sprocket |
44 |
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| Replacement Front Sprocket |
14 |
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| Replacement
Rear Sprocket |
47 |
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| 15/44 (Stock ratio) |
2.93:1 |
Stock ratio |
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| 15/47 |
3.13:1 |
FYI stock chain also
works with 13,14,15/47. |
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| 14/44 |
3.14:1 |
yeah i had the same problem i
switched to a 14 tooth front(14/44) and it made it just barely good enough.
The 14/44 combo is dirt cheap and it only takes 2 minutes to swap the front
sprocket but this setup is really only ideal for true dualsport 50/50 riding. |
| 14/47 |
3.36:1 |
Stock 400E |
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| 13/47 |
3.62:1 |
13/47
gearing works with the stock chain.any thing will be better than deathwings
in the dirt. |
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| Divide
the rear by the front to compare ratio |
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| Changing
the front to give 13/44=3.38 |
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| Stock 400E 14/47=3.36 |
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| Close
to offroad by just changing front, probably good if you wanted to ride street
too as you can change back easily. |
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| I
run mostly off-road so i swapped out the rear to a 47 and that gives me the
choice to swap the front to a 13,14 or 15 depending on the trails planned for
that weekend. |
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| FYI
stock chain also works with 13,14,15/47. |
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| SIZE |
LOAD/ SPEED INDEX |
SIDEWALL |
PART # |
APPLICABLE RIMS |
OVERALL DIAMETER |
OVERALL WIDTH |
FULL TREAD DEPTH |
MAXIMUM LOAD |
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| RECOMMENDED
RIM |
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| D606
Front |
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| 90/90-21 |
54R |
BW |
32SF-21 |
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14/32 |
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| D606
Rear |
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| 130/90-17 |
68R |
BW |
32SF-41 |
2.75 |
26.30 |
5.20 |
20/32 |
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| 120/90-18 |
65R |
BW |
32SF-36 |
2.15 |
26.80 |
4.80 |
20/32 |
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