| STOCK XL (883) | |
|
|
KEVIN PETTITT #1 STOCK XL 883 - SPONSORS - |
|
Requirements and Specifications |
|
|
Designation: "XL" preceded by bike number. Reserved for Street Legal Stock XL 883, Evolution Sportster |
|
|
1. Engine |
|
| (a) Engine:
Must be stock XL 883. Stock crankshaft and rods. Cylinders must be stock except for over sizes that stay within displacement limits. Pistons and wrist pins must be OEM with no modifications. Engine cases cannot be modified except for repairs. Cylinder heads may not be modified in any way or fashion! All valve components must be stock OEM. 3 angle valve cut with 30/45/70 degrees with a length of 1/8 inch. clean up into port is maximum standard for valve grind. No polishing ports or intake manifold. Head gaskets must not be less than .045 thick . Head gasket surface area may not receive over .010 cut for warpage. Lifters and cams must be stock OEM push rods or adjustable Push rods. Carburetor must be stock OEM with no modifications except existing jet changes (No Thunderjet). Air cleaner changes are legal. Any exhaust system is legal. Crankcase vent tube must be routed to catch can or carbureted intake system. (b) Fuel: Gasoline only. Specific gravity will be set. No nitrous oxide or propylene oxide. |
|
| 2. Drive Train | |
| (a) Chain Guard: Stock
OEM.
Primary and secondary. (b) Transmission: Stock OEM gears. Clutch must be OEM (except clutch spring). No primary belt drives. OEM secondary belt drives OK. No electric or air shifters. Must be manual shift. Rear wheel chain drive will have no less than 19 teeth on front and no more than 51 teeth on the rear sprocket. (Sprocket must be steel and OEM design). |
|
| 3. Suspension and Brakes | |
| (a) Brakes:
Must have stock OEM front and rear calipers, rotors or drums. (b) Controls: Handlebar controls must be in stock position and stock OEM. Foot pegs and foot controls must be in stock position of XLCR or forward of this position. All controls must be stock OEM equipment except foot controls. (c) Suspension: Front suspension must be stock OEM. Rear suspension struts allowed. (d) Wheelie Bars: Prohibited. |
|
| 4. Frame | |
| (a) Frame:
Stock OEM frame and swing arm. No modifications allowed. VIN is used for ID. (b) Ground Clearance: Minimum of 2 inches with rider on bike and 10 p.s.i. in rear tire (includes exhaust and kickstand). (c) Wheel Base: Stock. |
|
| 5. Wheels and Tires | |
| (a) Tires:
Must be D.O.T. approved with 2/32 tread on front and rear. (b) Wheels: Stock OEM wheels. Front and rear. No weight reduction modifications. |
|
| 6. Body | |
| (a) Body:
Stock OEM fenders and gas tank. Stock OEM headlight and taillight with license plate provisions. Mirrors must be removed. Turn signals are not necessary. (b) Fairing: 1/4 fairings or windshields legal. (c) Seat: Stock OEM or seat with a step to prevent the rider from sliding backwards. (Bike must have a manufactured seat on it). |
|
| 7. Electrical | |
| (a) Ignition:
Stock OEM ignition system. Must be equipped with a positive ignition cut-off attached to the rider with a lanyard of rawhide, wire, etc. Cut-off must be connected on primary side of the ignition circuit. (Screaming Eagle module and Hot coil are allowed.) (b) Charging system: Stock OEM system and must work. (Stock OEM battery must be on bike.) (c) Starting system: Stock OEM electric or kick. (No external starter, no push starts, no rollers.) (d) Control switches: Stock OEM. (e) Computers: Only data gathering computers allowed. (f) Lights: Stock OEM light system. Hi-low beam, taillight and brake lights. All lights must work. |
|
| 8. Rider | |
| (a) Credentials:
Only CMDRA Licenses will be accepted if you’re running 9.99 or quicker. Application and physician’s physical forms available at the CMDRA office. (b) Helmet: Full face helmet meeting Snell 00. Must have Snell tag.(c) Protective clothing: Leather jacket, full finger gloves and leather shoes or boots, which cover above the ankle. Full leathers required on motorcycles going 120 mph or faster. (d) Race School mandatory for first time racers |
|
