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Discussion Starter #1
It must be that time of year again, here I go with one of my dumb questions; Would the 910 engine out of a Brutale fit into a F4 750 chassis? :rolleyes:
 

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That would be an awesome bike... You could pump up the 750 too, but based on some stuff Doug Lofgren has written, that could end with tuning problems...
 

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Seems like it would. The external dimensions are supposed to be the same.
 

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john said:
It must be that time of year again, here I go with one of my dumb questions; Would the 910 engine out of a Brutale fit into a F4 750 chassis? :rolleyes:
Your lad after an MV????????????????? :jsm:
 

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truth is after looking at airfuel's recent dyno posting, you wouldn't gain anything. i know dyno's are different, but i'm making more power than that on my 750. and when i was reading his printout, it's amazing how much more power the f41000 has with ~80cc more. 120hp to 165hp is a big fat leap! wonder what a dyno of the 1100 will look like? although i don't think we'll EVER see that chart.
 

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I think it would be a good idea though. The 910 might make the older 750 feel more like a current 750 with more torque, a really nice compromise. The 1000cc bikes are just animals, although I admit I have not ridden a 1000cc MV yet.

Knowing what I know about myself, I'm pretty sure I could go much faster on something like a 750 with a 910 engine than on a 1000, at least for the first few days (given that I had both bikes to ride).

This would really be a great project, although I doubt 910 engines are plentiful...
 

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Discussion Starter #8
No Ben and Juan, I've got no plans to fit a Brutale engine into a F4 chassis.....yet. :jsm: I was just interested to know if it would be possible to do so. :)
 

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boooo. well, you are kicked off the thread for getting a good subject going and then spoiling it.

now, as achrul and i were saying....i think that you would get bored of the 910 motor in the f4 if you are used to the power delivery and visceral scream of the 750 engine. and i think my motor may have more peak torque too. maybe not, but i'll have to check the dyno sheet again. maybe it would "feel" more friendly and twin like...maybe like a triple, but you would still be getting left on the straights. the f4 motors are tuned for more top end power. this of course is not making light of the brute motor, but there is a reason they made the motor have different charateristics for the 2 bikes. i enjoyed the torque and low-end to mid power of my 955i daytona, but i was getting walked by my cousins R6 on long open highways. that stunk. and myself, i love hearing high rpms. it's what a sportbike represents to me. f1 motors on 2 wheels. a person buying a brute would never find themselves in that type of situation or contest (only races with suped up muscle cars). i know they find their ways on the track, but that's another story.

i do like experiments though, and despite john's let down...i say for someone to do it and post back. :D
 

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It would fit.
AND even though some 750's get close the peak hp of the 910, the name of the game is TORQUE. The 910 simply blows away any 750 regarding TQ/HP at lower revs.

And to put things in perpective, ALL 1000 MV's put out in the area of 144-150 HP on my dyno, not 160's Those types of dyno numbers need to be thrown in the trash! (crank hp is in the 160's)

(I can post any 750/910/1000 dyno graph comparisons you want)
 

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yeah, i was off on the torque figure. but whether the engine swap would be fun or not would come down to the rider. it would be ashame covering up that red valve cover with fairings though.

and post your best F4 chart that you have against a 910 graph. matter of fact, why don't you just move closer to me so i can get my bike re-mapped over there! :toothless
 

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style_one said:
yeah, i was off on the torque figure. but whether the engine swap would be fun or not would come down to the rider. it would be ashame covering up that red valve cover with fairings though.

and post your best F4 chart that you have against a 910 graph. matter of fact, why don't you just move closer to me so i can get my bike re-mapped over there! :toothless
I'll compile some graphs in the morning, but I have a busy day coming up.

Mary Land is not that far away, gets some buds together and take a road trip! :smoking:
 
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