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Discussion Starter #1
A few years ago I was lucky enough to ride the BMW HP2 Sport and really liked the engine. Just when I thought that boxer engine technology was leveling off, BMW proved what it could do. So when I read that the R1200R engine would be the derived from the HP2 Sport I was pretty excited. I'm sure the DOHC engine will make a difference on both R1200R models.

I bet R1200R horsepower numbers might even hit 120.
 

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Your close enough. My sources tell me the R1200R will hit 109 hp at 7 500 rpm. That should be enough horsepower to have tons of fun.
 

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Discussion Starter #3
If the R1200R horsepower hits 109 that'll be pretty impressive. Especially for an air-cooled engine. ****, Harley's air-cooled twins make a little more than half of that. Says a lot about both companies, doesn't it?
 

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No kidding. My F800S is just shy of 80hp. It's a fun bike, but I like the character of the R1200R. The HP2 sport is a cool bike, but it's too exotic for me. I feel much better that the HP2 Sport engine is going to power the new R1200R.
 

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Discussion Starter #5
^Well, I don't think you'll see the exact same engine from the HP2 sport power the R1200R, but I think it'll be heavily influenced by it. The DOHC is definitely a great selling point for the engine. It's about time.
 

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You're right. It won't be the exact same engine since all the carbon bits will be replaced, but I'd like to get those carbon engine covers to help with the blacked-out treatment I'd do. As far as performance goes, I'm sure the R1200R will be close enough to the HP2 that I'll be happy.
 

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If the R1200R horsepower hits 109 that'll be pretty impressive. Especially for an air-cooled engine. ****, Harley's air-cooled twins make a little more than half of that. Says a lot about both companies, doesn't it?
H-D's massive sales numbers also say a lot about what people desire - and hp is not always a main issue..............
A Sportster 1200 will show about 64 ponies on a dyno. The R1200R will probably show 92 or so when reports start coming in. The Sportster engine has pretty impressive pull from 2,000 - 3,500 rpm and redlines at a low 6,000 rpm, well suited to a leisurely pace, vs. a sporting pace. Two different animals for two different riding styles.
My Buell XB12Ss weighs about 470 lbs. with fuel, redlines at 7,100 rpm and made 88 hp on the dyno, probably fairly close to R1200R performance overall - all based on a slightly warmed over Sportster engine with 10-1 compression.
It's hard to beat the R1200R styling and the 6-speed - it's just an incredibly nice machine from front to rear. The single flaw it has is the farty exhaust, everything else is perfect in my book.
 

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The single flaw it has is the farty exhaust, everything else is perfect in my book.

+1^

Not only farty but almost as large as my water boiler, not to mention that covers the sweet wheel and the single swing arm.

I'm not a fan of aftermarket exhausts, don't care about noise nor +3 hp performance but now i'm looking for a good looking one.
 

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exhaust

hi all
the bmw exhaust (THE BOAT ANCHOR) as its known . i was surprised when i took it off my gs how much it did weigh.i rplaced it with a akrapovic titanium .
the exhaust does sound much better with a slightly loader note , however you can remove the baffle . i have tried this and it runs leaner, not a good idea in the long run , it does need a power commander to run without the baffle . as soon as i buy a r1200 r i will replace the boat anchor immediately ,going to test ride one this week coming .
piston:)
 
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