Covering the basics
Road Warrior
Joined: May 2017
Posts: 1,966
Likes: 1,582
From: Scottish Highlands.
It could be to do with the fact that your Iron has a 1200cc big bore kit and the stock 883 gearing, the 883 and 1200 have different gear ratios as below.
883 gear ratios. 2011 - up.
1st 10.41.
2nd 7.44.
3rd 5.35.
4th 4.58.
5th 3.93
1200 gear ratios. 2006 - up.
1st 9.32.
2nd 6.65.
3rd 4.95.
4th 4.10.
5th 3.52.
Both 883 and 1200 Sportsters from 2011 - and later use the same final drive gearing, 29T engine pulley and 68T wheel pulley. The overall final drive gear ratio is 2.35.
Last edited by Rob Roy's Revenge; Aug 7, 2022 at 08:42 AM.
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Joined: Jul 2022
Posts: 69
Likes: 10
From: Minneapolis, MN
Do you mean Clutch Control?
Thread Starter
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Advanced
Joined: Jul 2022
Posts: 69
Likes: 10
From: Minneapolis, MN
It could be to do with the fact that your Iron has a 1200cc big bore kit and the stock 883 gearing, the 883 and 1200 have different gear ratios as below.
883 gear ratios. 2011 - up.
1st 10.41.
2nd 7.44.
3rd 5.35.
4th 4.58.
5th 3.93
1200 gear ratios. 2006 - up.
1st 9.32.
2nd 6.65.
3rd 4.95.
4th 4.10.
5th 3.52.
Both 883 and 1200 Sportsters from 2011 - and later use the same final drive gearing, 29T engine pulley and 68T wheel pulley. The overall final drive gear ratio is 2.35.
883 gear ratios. 2011 - up.
1st 10.41.
2nd 7.44.
3rd 5.35.
4th 4.58.
5th 3.93
1200 gear ratios. 2006 - up.
1st 9.32.
2nd 6.65.
3rd 4.95.
4th 4.10.
5th 3.52.
Both 883 and 1200 Sportsters from 2011 - and later use the same final drive gearing, 29T engine pulley and 68T wheel pulley. The overall final drive gear ratio is 2.35.
Last edited by onionz; Aug 7, 2022 at 11:49 AM.
HDF Community Team
Joined: Dec 2011
Posts: 8,589
Likes: 4,019
From: San Diego, CA
Did the seller provide any receipts for the work?
Or, there is a way to measure the bore with straw to determine 883 or 1200cc.
John
Or, there is a way to measure the bore with straw to determine 883 or 1200cc.
Check Your Cylinder Size With a Straw
883 or 1200? - Check like this: 5)- Put in 5th gear
- Lift rear wheel
- Remove spark plugs
- Place a long plastic straw, chopstick, etc. in the spark plug hole
- Rotate tire to move cylinder to bottom dead center - lowest straw position
- Check cylinder diagonal dimension from far bottom of cylinder to top lip of spark plug hole
- 883 bore = 5.5 Diagonally - (Actual Bore Dia. is 3.000)
- 1200 bore = 5.875 Diagonally - (Actual Bore Dia. is 3.498)
John
HDF Community Team
Joined: Dec 2011
Posts: 8,589
Likes: 4,019
From: San Diego, CA
Yes, it's a balance between engaging the clutch and engine RPM. You are using the friction zone to apply controlled power. Go to a flat and level parking lot and try engaging the clutch slowly at idle. With a 1200 motor, you can actually engage the clutch and move ahead without even using the throttle, once you get comfortable with using the "friction zone." I barely need to give my 1250 throttle to get rolling.
John
John
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