Aluminum Sprocket, 34 tooth

[Point_Doc]

For greater acceleration replace your XB12 primary sprocket with XB9 sprocket tooth count (34).

If you would like your motor to spool up quicker, lighten the rotating mass by using an Aluminum sprocket.

I have a brand new one for sale $160.

 

[TMC]

what clutch setup is that???

 

[Point_Doc]

www.evoindusa.com

 

[climberfreak]

this is something way over my head someone please explain this thoroughly for me

 

[TMC]

which one did you use off that site and can you use it in an XB????

 

[Point_Doc]

My bike is a '04 XB12S

I replaced my clutch, basket, cage, sprocket and final drive with CNC Aluminum parts from Evolution Industries.

I have an extra brand new sprocket for sale from these guys. Pic is posted

 

[Stevenc150]

Point Doc, it's over my head also. What are the advantages with the Evolution clutch, basket, cage setup?

 

[climberfreak]

yea thats the question i want answered

 

[Point_Doc]

It's about removing rotational mass.

It takes energy to move an object. The more mass it has the more initial energy it takes to move it and then to maintain this motion. This energy does not make its way to the rear wheel, it has been used.

If you reduce the weight, the energy that was used for the OEM setup should find its way back to the rear wheel.

The stator rotor weighs in at 3lb 10oz. The XB9 sprocket is 3lb 6oz, the XB12 is more! These two items are attached to the engine crank. This weight reduces the throttle response.

The OEM clutch assembly is frickin heavier. I do not have the specific weight available.

If you use the CNC'd aluminum, there is a reduction in weight.

I have also cnc'd lightning holes in my stator rotor to remove 7.2 oz of mat'l.

In the end, the motor spools up quicker. Providing the rider harder acceleration from idle to the limiter.

I hope this is helpful.

 

[Stevenc150]

It is and makes perfect sense....Thanks [up]

 

[firechickenXB9R]

Which one did you use. They do not specify one for the XB.

Thanks

 

[Point_Doc]

firechickenXB9R,

If you could be specific, I will be able to answer your question. I have several items from them.

 

[firechickenXB9R]

Oh I did not realize that. What all do you have?

 

[Point_Doc]

I have replaced the sprocket, clutch basket, clutch hub and the final drive.

 

[Point_Doc]

A personal note:

I choose to go this route for modifications verses any other primarily because of fuel mapping. I wanted to stay away from it and in principle keep the motor and map stock.

I felt this was a simpler way to gain power to the rear wheel and this is done by reducing any unnecessary consumption or restriction of the delivery of this power. Simply put, use what I have as efficiently as possible.

For those of us who do not have access to a dyno, exhaust gas analyzer or the time to data log, this was the only safe option. This mod will allow the motor to deliver its power with less restrictions and zero time remapping/tuning.

This is my personal opinion and I am sure others will vary.

 

[firechickenXB9R]

I am interested in all you have done. I have been thinking about putting a new clutch in my this winter. Can you tell me (and maybe pics) of all you have done. Maybe part numbers and price?

Thank you.

P.S. It would be so sick to be able to see that Clutch basket. I may have to work on fabing that![confused][cool][cool]

 

[firechickenXB9R]

 

[Point_Doc]

pic is on evolutions web page.

I have over 40 mods. I will put a list together,it will take me a few days. I will post up by Friday if not sooner.

 

[Point_Doc]

Some things I have done...
1 Drummer
2 K&N Air filter
3 Colder Plugs
4 ECMspy
5 Switched the '04 XBS red to the translucent blue
6 Replaced my OEM Clutch pieces (Basket, Hub) with CNC’d Aluminum parts
7 Removed 7.2 oz of weight from the stator rotor by modeling a CNC program to machine lightning holes
8 11.2:1 Doomed pistons with head work
9 I modeled and CNC'd a Ducati Brembo Caliper adapter plate
10 Installed Ducati Brembo Two Piston Caliper
11 Installed Brembo Rear Master Cylinder
12 Installed Brembo 16mm Radial Front Master Cylinder from a '07 R1
13 Hyperpro progressive springs
14 Lyndall gold front pads
15 Ceramic coated header
16 ProTaper MX handle bar
17 PIAA driving light bulbs for OEM replacement
18 PIAA driving/fog lights
19 Hand guards
20 Machined hand guard attachment plugs out of Delrin to fit the ProTaper bar
21 Upgraded the oil drive gear
22 Bar end mirrors located at the OEM spot. I had to turn down the piece and thread to fit in the spot
23 Developed an alternative method catch can that utilizes PCV valve
24 Lined the inside of my frame, fuel line and under the air box plate with heat shield from Summit Racing
25 Traction Hand Grips
26 Installed a Uly Helmet lock on the support bracket of the left passenger foot post and then rekeyed it for my bike ignition key
27 I have dual head lights burning
28 Corbin gunfighter seat
29 Buell saddlebags
30 190 rear tire
31 XB9 Aluminum sprocket gear, 34 tooth sprocket
32 Reversed the shifting pattern to GP: 1 up & 4 down
33 Installed Heli-Coils in the primary inspection cover bolt holes
34 Installed bolt sleeve liners in the primary cover bolt holes (13 bolt holes)
35 Removed the cheese grader
36 New Brake Lines, front and rear
37 Installed a 4-Wire Bosch O2 sensor with Heating Element
38 Headlight Grille
39 Axle sliders
40 Frame Pucks
41 Speed Bleeders from LSL
42 Dyna Beads
43 Removed the blinker spacer/extender from the forward blinkers
44 Replaced the Belt Final drive front sprocket with CNC’d Aluminum sprocket
45 Sprocket Cover, CNC'd Aluminum
46 Exhaust Heat Shield

 

[TMC]

I guess you used the clutch thats made for the XL ????