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Donniej
Posted on Monday, November 09, 2009 - 07:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hello, I'm a long time Sportster and SV650 owner who just bought a new, 2009 XB9SX.

Is it normal for the bike to not idle cold? Until it's warm it will stall if you let off the throttle, though it starts easily. Even when warm the idle is erratic, varying all the way up and down across the number 1 on the tach. It also has a stumble/miss at 3,000 RPM's. The bike is bone stock and just past the 500 mile break-in.

While trying to adjust the controls to my liking I also found that the brake line is too short to move the brake lever/handguard or move the bars back. Is there a slightly longer aftermarket one?

I also own a 2003 SV650S and despite the Buell supposedly being 90hp (20 more than a SV) it doesn't feel as fast. What is realistic stock power on these?

Thank you!
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Froggy
Posted on Monday, November 09, 2009 - 08:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)


quote:

Is it normal for the bike to not idle cold?




Nope. Try to manually reset the TPS sensor


quote:

To reset an 08+ Buell, do the following:
1. Turn on the key.
2. Set the kill switch to the run position.
3. Don&'t start the engine. Rotate the throttle from fully closed (gently forced closed) to fully
open (gently held open), and then back again to closed (gently forced closed).
4. Repeat 3 times. Hold each position (fully open, fully closed) for 1 full second.
5. Turn the key off and on.





quote:

What is realistic stock power on these?




About 75hp at the wheel.
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Brumbear
Posted on Monday, November 09, 2009 - 08:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

With these machines do not start em shut em down start em etc... they will foul plugs I believe Froggy you can help me out on this the 08 and above has an defouling setup not sure how it works though
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Boltrider
Posted on Monday, November 09, 2009 - 09:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

For the reset procedure, switch the order of steps 1 and 2 from above. The run switch is the first thing you turn on, then key on comes next.
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Motorico
Posted on Tuesday, November 10, 2009 - 11:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What do you mean by "it doesn't feel as fast"?

What is the suspension like on your SV? I came off an I4 with similar power, a Honda 599. I think the Honda felt faster because the suspension was pulled from the bargain basement and slapped on the bike.

I find it ironic that the 'paint shaker' V twin feels much more smooth than an I4. Granted the 599 is a buzzy bike, part of it's charm.
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Chessm
Posted on Tuesday, November 10, 2009 - 11:26 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

also the peak hp for the xb9 is right up at redline. Sure you'll bounce of it a lot, but you shouldn't hang out there.
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Ducbsa
Posted on Tuesday, November 10, 2009 - 01:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

the brake line is too short to move the brake lever/handguard or move the bars back. Is there a slightly longer aftermarket one?

The XBR hose is a bit longer, at least than on my XB12S.
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Mnbueller
Posted on Tuesday, November 10, 2009 - 02:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I bought my 2005 from a guy in the middle of winter. Come spring I rode it a bit and wasn't impressed with the power, also had troubles idleing. Discovered that it had a fouled plug, changed it, and then WEEEeeee!

So check your plugs, do the TPS reset, and then you should be golden.
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Donniej
Posted on Saturday, November 14, 2009 - 11:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I tried the TPS reset, it did nothing. I got a set of Iridium plugs and they solved all my idle issues. The stock plugs were fouled.
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Mikef5000
Posted on Saturday, November 14, 2009 - 11:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does anyone know that 'de-fouling plug trick' that the 08+ bikes are supposed to be able to do? Might help in this case... and it'd also be good information to have floating around here.

My defouling plug trick tends to be a trip up to redline a couple times a week, but it's not to official a method.
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Toomanyhobbies
Posted on Saturday, November 14, 2009 - 11:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

the stock plugs are crap, I had a similar problem, and the platinum plugs work great! Just make sure if you put them in yourself to not cross the threads in the head or you will have made a very expensive error. yeah, personal experience.
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Ducbsa
Posted on Sunday, November 15, 2009 - 08:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My defouling plug trick tends to be a trip up to redline a couple times a week, but it's not to official a method.

That's an Official Italian Tuneup! While in High School, I used to regard it as my solemn duty to run my Dad's Powerglide 300hp/327 ci Impala up to 55 - 60 in low to blow the carbon out. Didn't bother telling Dad about such routine matters.
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S1wmike
Posted on Sunday, November 15, 2009 - 09:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That's an Official Italian Tuneup! While in High School, I used to regard it as my solemn duty to run my Dad's Powerglide 300hp/327 ci Impala up to 55 - 60 in low to blow the carbon out. Didn't bother telling Dad about such routine matters.

If your dad had the same gear ratio as I did in my 65 Impala SS Conv. 283/glide you were only turning about 5200 RPM
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Ducbsa
Posted on Sunday, November 15, 2009 - 05:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If your dad had the same gear ratio as I did in my 65 Impala SS Conv. 283/glide you were only turning about 5200 RPM

No tach , so I let off when it sounded wild. It was a '63 with posi and he may have ordered it with a tall rear ratio, so maybe even lower revs than 5200. }
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Donniej
Posted on Sunday, November 15, 2009 - 10:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Update:
I just went for a ride, 25 miles each way. The bike idled great, even on cold start. It ran good but it was still weak below 4500 RPM and hesitant between 3000 - 3500 RPM. I began to suspect that the intake was leaking air because it felt so "dry" and sounded very lean. On the way home I stopped not far from home to adjust the suspension. When I restarted the bike it sounded different, when I got on the throttle it pulled harder and the mid range flat spot is gone. Apparently that's how long it took for the computer to re-learn. I think it's interesting that apparently the computer only loads the updated map into EEPROM after the engine is shut down.
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