103 powerband???

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Jul 24, 2011 | 02:13 PM

#11

whiskyls1

Tourer

Joined: Jun 2010

Posts: 457

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88, 96, and the 103 all seem to hit their stride about 3k rpm stock.

With the extra cubes of the 103, the feeling is more noticeable in the higher rpm range.

Cams of course will change the dynamics of each motor respectively.

Jul 24, 2011 | 02:15 PM

#12

Mike

Ultimate HDF Member

Joined: Jun 2009

Posts: 6,786

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From: Centralia, Wa

Quote:

Originally Posted by DTTJGlide

I'd check your tune, it shouldn't be that sluggish down low, especially with a 2into1.

exactly. With a decent stage I treatment, the bike should feel pretty good, right off idle, and you should not have to wait for the motor to spool up.

Jul 24, 2011 | 02:18 PM

#13

iclick

Extreme HDF Member

Joined: Sep 2005

Posts: 11,615

Likes: 50

From: Baton Rouge, LA

Quote:

Originally Posted by bowman78

had a 96 and it felt more responsive down low and i assume a higher cube engine will produce a broader torque band...

It should be noticeably torquier than the TC96 in the low-end, both from the increased displacement and higher compression, especially with a Stage 1 upgrade. I'm surprised to hear a report that the low-end is weaker than a similarly equipped 96, which doesn't sound right.

Quote:

...does the 103 have the same cmas as 96???

Yes.

Quote:

not wanting to replace cams, im happy with the power above 2500 rpm just soft down low..... se 255???? whats the specs on them????? lift and duration and what kind of increase in power do they provide?????

SE255 cams will provide a torque increase across-the-board, especially in the low-end and midrange, but will also bump peak HP somewhat over stock. It is not a cam set that you buy with the singular purpose of increasing peak HP, however, as that isn't its forte. The torque curve looks similar to stock, i.e. very flat, but just moves up on the chart probably around 10 ft/lbs. at its peak. If you want more low-end and midrange, these cams would definitely be on your short list.

Last edited by iclick; Jul 24, 2011 at 02:24 PM.

Jul 24, 2011 | 07:21 PM

#14

bowman78

Thread Starter

Cruiser

Joined: Dec 2008

Posts: 179

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thanks

i was sure i already knew the answer but didnt know if the feeling im having is a normal characteristic of the engine or something to take care of????? just know after about 600 miles on the bike with mods i felt the bottom of the rpm range felt very soft and it pulls great above 2500 rpm..... btw stock this thing was a complete DOG!!!!!!!!!.......