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Author Topic: 2017 CVO Limited 131 Upgrade finished! Awesome!!  (Read 2650 times)

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kojak

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #45 on: February 09, 2020, 03:42:53 PM »

Went for a 200 mile ride today, some stop and go traffic, mostly highway miles. Power is instant and quick. I have no doubt that I could lift the front wheel off the ground with very little effort. The sweet spot is from 2500 rpm's and up. I was cruising at 65 mph at 2500 rpm and quick twist of the rest would rocket the bike to 90 moh at 3400 rpm. I didn't push it beyond since I'm still breaking the motor in. The tech did a great job tuning my bike, I didn't feel any flat spots and roll-on power is smooth and instant. The clutch feels about 25% stiffer with the heavier duty springs but still not bad. Don't have a fix on gas mileage yet, maybe a tad worse but not terrible.
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kojak
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Indenial

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #46 on: February 10, 2020, 10:54:45 AM »

Hard to worry about gas mileage when you're having fun and cracking the throttle-------
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Unbalanced

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #47 on: February 10, 2020, 05:05:35 PM »

Kojack,

Nice that you got it back and the grin is there.   

As a suggestion you might want to have the clutch checked it appears you have clutch slip going on or tire slippage on the Dyno.   

See all those small depressions in the lines (the dips)

You can also have the shop print out the clutch graphs from your runs to see how well it is holding.     If it is the clutch slipping you will be replacing the discs a lot sooner than their normal life.

Also you might ask on the top end of your tune for them to throw some additional fuel at it up past 5200 rpm it’s pretty lean for WOT pull should be down around 13 to 1 and even as low as 12.5 to 1 depending on what the motor likes and the heat their seeing.

Ride safe and enjoy
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kojak

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #48 on: February 10, 2020, 05:39:59 PM »

I'm thinking it was tire slippage on the dyno, didn't feel any clutch slippage riding it. I'll keep an eye on it. I saw the lean afr at the high rpm's, not too worried about that since I redline the engine rarely. Appreciate the feedback!
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kojak
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anzac

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #49 on: February 11, 2020, 11:51:06 AM »

Looking forward to your reviews
Congrats
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Fullsac Performance

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #50 on: February 12, 2020, 04:57:47 AM »

Does anyone think it's strange that the dyno runs starts at 3200 RPM, the TQ and HP lines cross at 4600 RPM, and it only makes 80 FT pounds of Torque at 6K RPM? I'm sure it runs a lot better, but there's a happy meal and a quarter pounder left sitting on the table with that tune. :stars:

SG
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scotman623

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #51 on: February 12, 2020, 12:57:27 PM »

Very interesting that they started at 3200 RPM... I guess I would be asking some questions on why they did that... Enjoy your bike my friend... Keep smiling..
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ParadigmGuy

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #52 on: February 12, 2020, 01:03:42 PM »

There's something not right. Torque and HP should cross at 5252.
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Unbalanced

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #53 on: February 12, 2020, 01:37:21 PM »

Most likely they did not set to force scaling.   The parameters of the dynosheet print out.  Which would explain the not crossing at 5250.   
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hd-dude

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #54 on: February 12, 2020, 04:29:52 PM »

Does anyone think it's strange that the dyno runs starts at 3200 RPM, the TQ and HP lines cross at 4600 RPM, and it only makes 80 FT pounds of Torque at 6K RPM? I'm sure it runs a lot better, but there's a happy meal and a quarter pounder left sitting on the table with that tune. :stars:

SG

Yes, this is one of the strangest dyno sheets i have seen!

kojak

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #55 on: February 12, 2020, 05:25:23 PM »

You guys are funny, physics doesn't change, they are 2 different graphs on one sheet, the rpms are for the afr graph, not the torque/hp graph. They are scaled differently, they are showing 5 different runs on one graph.
« Last Edit: February 12, 2020, 05:32:31 PM by kojak »
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kojak
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kojak

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #56 on: February 12, 2020, 06:08:40 PM »

There's something not right. Torque and HP should cross at 5252.
They do, if you read the detail on the runs, look at the max torque rpm on any given run and run it down to the afr rpm line you are looking at and you will see the scale is different on the 2 graphs. It would have been easier to see if they had just plotted the final run on a graph with the afr on the same scale. Confusing I know. I really don't pay that much attention to dyno charts except for a smooth curve and what the seat of the pants tells me about how the bike is running.
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kojak
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ParadigmGuy

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #57 on: February 12, 2020, 06:13:54 PM »

They do, if you read the detail on the runs, look at the max torque rpm on any given run and run it down to the afr rpm line you are looking at and you will see the scale is different on the 2 graphs. It would have been easier to see if they had just plotted the final run on a graph with the afr on the same scale. Confusing I know. I really don't pay that much attention to dyno charts except for a smooth curve and what the seat of the pants tells me about how the bike is running.
I still don't see how it crosses at 5252. I think that the entire RPM scale is off.
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X-Man

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #58 on: February 15, 2020, 12:00:16 AM »

The likely reason that the HP and torque curves don't cross at 5252rpm is that the the torque scale is different to the HP scale.
The torque scale is on the right side of the graph, out of the picture.

I still don't see how it crosses at 5252. I think that the entire RPM scale is off.
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ParadigmGuy

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Re: 2017 CVO Limited 131 Upgrade finished! Awesome!!
« Reply #59 on: February 15, 2020, 12:57:01 PM »

The likely reason that the HP and torque curves don't cross at 5252rpm is that the the torque scale is different to the HP scale.
The torque scale is on the right side of the graph, out of the picture.
Ah, OK, I understand now.
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