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Discussion Starter · #1 ·
I realize this might be better suited in the technical forum, but seeing that we're just starting, thought this is a good spot.

Any ideas from current or previous R1200R owners as to what sorta HP increase can we expect with an Akra slip-on and a K&N?

If I could get more 10HP out of the bike, I'd be thrilled.

At 120HP and 90 torque should be close to perfect!
 

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to utilize even any sort of power from a filter and slipon you would have to get a power commander or something alone those lines and play with the the tunes. I'd say it might be achievable if you only wanted a 10 hjorsepower increase. Not much more though.
 

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Discussion Starter · #6 ·
Yeah, I guess it'll be around 5, just with pipe and filter.
My Thrux is about 70 at the wheel now, and 50 torque (ish), so it'll be a significant increase anyways...

Scooter Paul, how's the handling on the R1200R? High points, niggles?
 

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Scooter Paul, how's the handling on the R1200R? High points, niggles?[/QUOTE]

My R1200R handles like it's on rails. I'm no sports rider but even fully laden for touring and with Michelin Pilot Road 3's it's confidence inspring even in heavy rain. Only niggle was a failed fuel level sender. A common problem. As I said in my introduction when joining this forum I would not be selling it until now!

Paul
 

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Power increase?

One major BMW dealer with three locations in the NE region offer custom ECU tuning at their Conn. location.
MAX BMW Motorsport - ECU Tuning - ECU Tuning at MAX BMW*Connecticut
Their dyno results:






Looks very strong on the top end, from 6000rpm to redline.
The lines cross at about 5200-5300 rpm.
So the stock configuration may perhaps have better torque on the
bottom end of the rpm range. This benefits ease of driving around town.
If the top 25% of the engine range is important to you. the ECU mapping may be a great advantage for you. Depends on your riding habits.
I use the engine in the 2000 to 6000 range most of the time.
Low-end torque is more useful to me than top end horsepower. YMMV
Just for reference, 60mph is about 3500-3600 rpm in 6th gear on R1200R.
 

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I realize this might be better suited in the technical forum, but seeing that we're just starting, thought this is a good spot.

Any ideas from current or previous R1200R owners as to what sorta HP increase can we expect with an Akra slip-on and a K&N?

If I could get more 10HP out of the bike, I'd be thrilled.

At 120HP and 90 torque should be close to perfect!
I have a 2011 R1200R (twin cam) equipped with a Akra sports muffler, the bike currently has 32,000kms on the odometer. Whilst the bike was undergoing it's 30,000km service I had a booster plug installed and a DNA air filter. The end result is that the bike feels smoother and a tad stronger throughout the range. Keep in mind that I have not had the machine dyno tested, but seat of the pant would suggest that it does feel stronger.

As for my forthcoming Nine T I will wait to see who else is making sports mufflers for the bike before deciding on which one will adorn the bike. I will remove the booster plug from the R1200R before selling and reinstall on the Nine T. I will also install an aftermarket air filter (K & N or DNA).

On a positive note it is good to see that BMW has not engineered the soul out of the Nine T (this bike is looking like an outstanding blank canvas)

Cheers
Speedybrother
Australia
 

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Discussion Starter · #14 ·
I have a 2011 R1200R (twin cam) equipped with a Akra sports muffler, the bike currently has 32,000kms on the odometer. Whilst the bike was undergoing it's 30,000km service I had a booster plug installed and a DNA air filter. The end result is that the bike feels smoother and a tad stronger throughout the range. Keep in mind that I have not had the machine dyno tested, but seat of the pant would suggest that it does feel stronger.

As for my forthcoming Nine T I will wait to see who else is making sports mufflers for the bike before deciding on which one will adorn the bike. I will remove the booster plug from the R1200R before selling and reinstall on the Nine T. I will also install an aftermarket air filter (K & N or DNA).

On a positive note it is good to see that BMW has not engineered the soul out of the Nine T (this bike is looking like an outstanding blank canvas)

Cheers
Speedybrother
Australia
Thanks for the info!
Sounds like we can get 115HP and 90 torque with just a little effort. Great numbers!

Now tell us more how you like your R1200R: highways, twisties, long trips.. :)
 

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Lowered Transmission Ratio

When reading the BMW factory press release, there are several unstated comparisons to, I believe, the current R1200R. In that vein, it states, "In keeping with the dynamic character of the nineT, the secondary transmission ratio of the pinion and ring gear has been lowered for optimum accelerating power and the smoothest possible gear shifts." I assume as compared to the R1200R so, go to BMWs website and do the model comparison where I do indeed see the lower gearing reflected. Other performance stats such as lower fuel efficiency and slightly differing torque values (119 Nm vs 115Nm) probably reflect the lower gearing. Should get you a little more pep around town compared to the R1200R.
 

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When reading the BMW factory press release, there are several unstated comparisons to, I believe, the current R1200R. In that vein, it states, "In keeping with the dynamic character of the nineT, the secondary transmission ratio of the pinion and ring gear has been lowered for optimum accelerating power and the smoothest possible gear shifts." I assume as compared to the R1200R so, go to BMWs website and do the model comparison where I do indeed see the lower gearing reflected. Other performance stats such as lower fuel efficiency and slightly differing torque values (119 Nm vs 115Nm) probably reflect the lower gearing. Should get you a little more pep around town compared to the R1200R.
When you lower the gear ratio doesn't it make the gears longer?
 

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Thanks for the info!
Sounds like we can get 115HP and 90 torque with just a little effort. Great numbers!

Now tell us more how you like your R1200R: highways, twisties, long trips.. :)
Hi Ro.nin

The R1200R is a true sleeper, looks like an old farts bike but in truth it is very quick accelerating, handles very well, brakes and ABS are top notch. I have the (optional) small tinted screen on my bike which takes a fair amount of wind blast away from my upper body, thus touring is doable. Touring range on the 18 litre tanks is around 420 + kms. The downside to this bike is that it is perceived as a tad bland, but in truth I have enjoyed every kilometre so far on it.

I have been running Michelin Pilot Road 3's since replacing the OEM Metzler Z8's. Forced to change tyres a month ago and there were no Michelin Pilot Road 3's fronts available, so fitted a set of Michelin Pilot Power 3's - can't believe the lean angles I am now achieving. First thing I will be doing to my Nine T is fitting the Power 3's (simply astonishing tyres - not sure about longevity, but who cares).

Cheers
Speedybrother
Australia
 

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Hi Ro.nin

The R1200R is a true sleeper, looks like an old farts bike but in truth it is very quick accelerating, handles very well, brakes and ABS are top notch. I have the (optional) small tinted screen on my bike which takes a fair amount of wind blast away from my upper body, thus touring is doable. Touring range on the 18 litre tanks is around 420 + kms. The downside to this bike is that it is perceived as a tad bland, but in truth I have enjoyed every kilometre so far on it.

I have been running Michelin Pilot Road 3's since replacing the OEM Metzler Z8's. Forced to change tyres a month ago and there were no Michelin Pilot Road 3's fronts available, so fitted a set of Michelin Pilot Power 3's - can't believe the lean angles I am now achieving. First thing I will be doing to my Nine T is fitting the Power 3's (simply astonishing tyres - not sure about longevity, but who cares).



Cheers
Speedybrother
Australia
Interesting info about true sport tyres fitted ,I had PR3s fitted to my last TBGS 1200,brilliant tyre with all round grip an not 1mm of chicken strip visible on the rear tyre!!:D
I'm hoping my 9T comes with the Z8's fitted an not contis,but if they're not upto my riding style then PR3's will be put on as they're good for grip and milage ;)

What was your issues with the Metzler Z8's ??
 

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Interesting info about true sport tyres fitted ,I had PR3s fitted to my last TBGS 1200,brilliant tyre with all round grip an not 1mm of chicken strip visible on the rear tyre!!:D
I'm hoping my 9T comes with the Z8's fitted an not contis,but if they're not upto my riding style then PR3's will be put on as they're good for grip and milage ;)

What was your issues with the Metzler Z8's ??
The Z8's are not bad tyres, fairly good in fact, the problem is that once they are compared to the Michelin Pilot Road 3's you quickly conclude that the Z8's are a compromise. The benefits of the PR3's are lighter more accurate steering and wet weather grip which is just astonishing. The other issue I had was that the Z8's were fairly shagged (well past their best) at around 8,00kms (5,000 miles) the Michelins are good for a minimum of 10,00kms (6,000 miles).

Should my Nine T come with Z8's I will live with them for the first few thousand kms before replacing with Michelin Road Power 3's.

Cheers
Speedybrother
 

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The Z8's are not bad tyres, fairly good in fact, the problem is that once they are compared to the Michelin Pilot Road 3's you quickly conclude that the Z8's are a compromise. The benefits of the PR3's are lighter more accurate steering and wet weather grip which is just astonishing. The other issue I had was that the Z8's were fairly shagged (well past their best) at around 8,00kms (5,000 miles) the Michelins are good for a minimum of 10,00kms (6,000 miles).

Should my Nine T come with Z8's I will live with them for the first few thousand kms before replacing with Michelin Road Power 3's.

Cheers
Speedybrother
That'll be my thoughts after a few thousand unless I like them :rolleyes:
It will be nice to have some tyre choice it was very limited on the adventure bikes ,but I'm a big michelin fan so the Metzlers have a lot to live up to :D
 
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