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70mph...5th gear or 6th??

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  #21  
Old 04-30-2012, 07:02 PM
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Your bike has a 66 tooth rear sprocket, newer bikes 09 and later come with a 68 tooth
rear sprocket. So IMO don't go to far below 70 MPH in sixth gear on the highway. You can change to a 68 tooth by getting an 07 Sportster rear sprocket, it will pull better from
70 MPH in 6th gear.
 
  #22  
Old 04-30-2012, 07:07 PM
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Staying in 6th doesn't mean better gas mileage.

Your bike will have to work harder if you're lugging along at 60 - 65 mph up hills and in wind. In that event you would be better off staying in 5th gear. That way you would not have to adjust the throttle as much, and stay at a steadier RPM.
 
  #23  
Old 04-30-2012, 07:13 PM
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55 MPH 6th gear and it pulls like a tractor. Andrews 21 cams makes the difference in low end power, which is what i wanted. From 60 to 80 MPH in 6th is better than when it was an 88cui in 5th.
 
  #24  
Old 04-30-2012, 07:20 PM
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About 75 i drop in 6th. Im lugging under 70 in 6th.
 
  #25  
Old 04-30-2012, 11:35 PM
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Originally Posted by NYdyna
went out for a nice ride to Greenport,LI yesterday to continue breaking in my '11 SG and was motoring along in the HOV lane at about 70-75mph, was a bit windier than what I like so kept the bike in 5th and was @3k rpms, would upshift to 6th rpms dropped to around 2200-2400 bike would pull but I didn't feel that "aggressiveness" or ability to push through the wind/moving around feeling.

I go through the gears and try not to stay too long of a stretch on one gear, I alternate 4-6 while on the freeways, but what gear should I really be in when doing 70-75mph? I made it up to 85 but that was for a short stint and on 6th gear, still need to break the motor in a bit more before staying at those speeds.
Sounds like you're breaking it in correctly. Similar to what I did and I'm no expert but like to ad that every bike's tune and power output is a bit different. I flip to 6th at about 58 with my 103 and 204 cams and she runs smooth with no worries about moderate roll on throttle if needed, (won't whack it at that speed).
 
  #26  
Old 05-01-2012, 12:23 AM
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Ya I usually use 6th gear too, its there so why not?
 
  #27  
Old 05-01-2012, 02:58 AM
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My bike has plenty power and I'm not too worried about the crank, but my general rule is 6th is for 65+mph, I like to keep the engine at 2500rpm + if possible, it just runs and feels better.
 
  #28  
Old 05-01-2012, 03:26 AM
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I usually drop into 6th at 70. I like to run my bike between 2500 - 3100 rpm. Will upshift at 3500 and down at 2200. I love having a tach.
 
  #29  
Old 05-01-2012, 06:41 AM
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50-55 all day long on flat level roads.

5th when passing
 
  #30  
Old 05-01-2012, 06:44 AM
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Well for those of us without a tach and a 103 6th gear above 55 mph is just fine. Manual even says so. My 10 EGC with the 96 was a complete dog and there was no way I could do 55 in 6th. My 103 must be strong because it has no problem pulling hills in 6th gear. For the guy that says he is lugging under 70 with the 106 build, maybe you need to rebuild, that's just wrong.
 


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