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475 Posts
Discussion Starter #1
50 degrees F.
200 ft. Elevation
Dynojet dyno


Bike
2010 F4
M227 ECU
MWR filter
Arrow RG4 headers
Zard Penta twin tip exhaust
Pirelli SC2 200 race slick

Fuel
92 Octane pump


The base map from Chris at xbikes was pretty good and was making about 167 on the dyno. After mapping it for our pump fuel the bike made a nice 175 HP and 80 ft./lbs. and was pulling all the way to redline. We might add another 750-1000 RPM to the limiter to give it some room to run if I'm always greasing the limiter.

Great ECU, great service and base map from xbikes, great motor from MV.

FYI, base on that bike with the RG4 ECU was 170.
 

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50 degrees F.
200 ft. Elevation
Dynojet dyno


Bike
2010 F4
M227 ECU
MWR filter
Arrow RG4 headers
Zard Penta twin tip exhaust
Pirelli SC2 200 race slick

Fuel
92 Octane pump


The base map from Chris at xbikes was pretty good and was making about 167 on the dyno. After mapping it for our pump fuel the bike made a nice 175 HP and 80 ft./lbs. and was pulling all the way to redline. We might add another 750-1000 RPM to the limiter to give it some room to run if I'm always greasing the limiter.

Great ECU, great service and base map from xbikes, great motor from MV.

FYI, base on that bike with the RG4 ECU was 170.

Thanks :) great to hear. Maybe stretch the rev limit 500rpm, i think 1,000 might be a bit too far although i'm open to be shown otherwise. Although saying that for racing you might be able to push the limiter in a particular gear if you need it rather than alter gearing.

Good result though and about par for what i've seen here.

:yo:
 

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Formerly WYD OPN
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Thanks :) great to hear. Maybe stretch the rev limit 500rpm, i think 1,000 might be a bit too far although i'm open to be shown otherwise. Although saying that for racing you might be able to push the limiter in a particular gear if you need it rather than alter gearing.

Good result though and about par for what i've seen here.

:yo:
Great to see you back online.:yo:

These numbers seem a bit weaker than comparable Gen1 1078RR numbers with your tuned Microtec. How do the old RR and the newest RR compare, mod for mod and tune for tune?
 

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Discussion Starter #4
Great to see you back online.:yo:

These numbers seem a bit weaker than comparable Gen1 1078RR numbers with your tuned Microtek. How do the two compare, tune for tune?
Are you comparing a race slick to a road tire?
 

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Discussion Starter #6
Ah, yeah the 10 isn't going to put up the numbers that an RR does, but I'd be really interested to see the torque curve compared between the long stroke and short stroke motors. My point about the tires is that a slick will pull a few hp off the top end.

I have a hunch that the long stroke motor makes a better race engine.
 

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Ah, yeah the 10 isn't going to put up the numbers that an RR does, but I'd be really interested to see the torque curve compared between the long stroke and short stroke motors. My point about the tires is that a slick will pull a few hp off the top end.

I have a hunch that the long stroke motor makes a better race engine.
That's the direction I was headed for such general comparative information. I'd wager nobody else has done near the work with both Gen1s and Gen2s to provide such comparative numbers.

Chris is the guru, as far as I'm concerned.
 

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No. I'm asking Chris how the newest RR Corsacorta compares with the Gen1 1078RR on a mod-for-mod, tune-for-tune basis (though yours is a non-RR '10 model).

I should have been more clear.
Leave it with me and i'll dig dyno stuff out. They're not as far apart as you'd think.

Currently writing fly by wire maps for Ducati's and my brain is about to go nuclear at the complexity of the options and decisions in front of me.
 

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Formerly WYD OPN
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Leave it with me and i'll dig dyno stuff out. They're not as far apart as you'd think.

Currently writing fly by wire maps for Ducati's and my brain is about to go nuclear at the complexity of the options and decisions in front of me.
No hurries, no worries. Thanks.
 

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Formerly - dagmvagusta
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423 Posts
Hp numbers is all relative. No one dyno is the same and there is so much manipulation that a tuner can make to gain or lose numbers it can give you a headache. I learned along time ago stop chasing the number but learn how to truly read the map, the fueling tables and power curve in relation to torque, air and fuel. A good tuner will make sure that line is straight and smooth with forward progression upwards with at best all dips removed from the power band. And James is right different tires will affect numbers to especially a slick tire (hence don't chase that number but use more as a reference point).

My bike:

2012 F4 1000r

Bazzaz fuel management with quick shifter

Race Ecu

MWR filter

MV Corse headers

Bodis titanium slip on with ti mid pipe.

Michelin Power one 2ct compound

Fuel

93 Octane pump

HP: 182 rw. 85lbs of torque with a straight line up and no dips.





Sent from Motorcycle.com App
 

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That's a good question. I'll contact Dynojet Research here in Las Vegas to see if they have a graph of the pulls they did on my 2012 F4RR (it was bone stock + a PCV/SFM combo at the time). If I get the graph, I'll upload it to this thread. But I am not sure how the newest (2013+) F4RR motors compare to the 2012s? I think they are all Corsa Corta engines. I am sure someone with more knowledge than I will weigh in to add a bit of clarity.
Great to see you back online.:yo:

These numbers seem a bit weaker than comparable Gen1 1078RR numbers with your tuned Microtec. How do the old RR and the newest RR compare, mod for mod and tune for tune?
 

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Formerly WYD OPN
Joined
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2,150 Posts
Hp numbers is all relative. No one dyno is the same and there is so much manipulation that a tuner can make to gain or lose numbers it can give you a headache. I learned along time ago stop chasing the number but learn how to truly read the map, the fueling tables and power curve in relation to torque, air and fuel. A good tuner will make sure that line is straight and smooth with forward progression upwards with at best all dips removed from the power band. And James is right different tires will affect numbers to especially a slick tire (hence don't chase that number but use more as a reference point).
This is exactly the reason for my query to Chris. Nobody else on earth has done as much dyno tuning for both Gen1 and Gen2 MV F4s and B4s.

Same dyno, same operator, same techniques, etc. So Chris' numbers are comparable between bikes more than most anyone else's would be.

I just wanna know how the three versions of the Gen2 compare to the Gen1 1078RR and other Gen1 versions. There are 1000S, 1000R, and 1000 R312 versions for the Gen1 besides the 1078 RR312.

Comparing them to each other and to the different Gen2 versions would be enlightening, since there are 1000, 1000R, and 1000RR versions for the Gen2.

My bike:

2012 F4 1000r

Bazzaz fuel management with quick shifter

Race Ecu

MWR filter

MV Corse headers

Bodis titanium slip on with ti mid pipe.

Michelin Power one 2ct compound

Fuel

93 Octane pump

HP: 182 rw. 85lbs of torque with a straight line up and no dips.

Sent from Motorcycle.com App
These are good numbers, and about what I'd expect.:)
 

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Exhaust

I have a mv f3 800rc and want to upgrade the exhaust .. I love the sound of the Silmotor and the look of the 'serie oro' exhaust .. Has anyone got either of these ?? Also does the Ecu need an upgrade .. Cheers Clint
 

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I have a mv f3 800rc and want to upgrade the exhaust .. I love the sound of the Silmotor and the look of the 'serie oro' exhaust .. Has anyone got either of these ?? Also does the Ecu need an upgrade .. Cheers Clint
Welcome to the forum mate, nice bike :mouthwate
There's a whole thread on 3-cyl pipes at the top of this section, you are now posting under a 4-cylinder bike thread.:)
No you don't need ECU upgrade if you just change the rear part of the exhaust, and there is no Microtec for the 3-cylinder bikes.
 

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there is no Microtec for the 3-cylinder bikes.[/QUOTE]

I'm glad you mentioned that. Chris?:stickpoke:stickpoke:stickpoke:stickpoke:stickpoke:stickpoke:stickpoke:mouthwate:stickpoke:stickpoke:stickpoke:stickpoke:stickpoke:stickpoke:stickpoke:stickpoke:


Jus saying.......
 
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