CLICK HERE


 
The Official Duncan Racing ATV Buyers Guide


YOUR GUIDE TO THE SUZUKI LT 250

 

ENGINE

DRI Suzuki LT 250R National Kit

Engine Kits (stock OEM cylinder)

DRI Suzuki LT 250R NATIONAL Kit              
#EK-22NT
    $1399.00

Not available online- Please call DRI to purchase
Includes: PTR Midrange RACE Pipe, Fat Boy 2 Silencer, NATIONAL Midrange Porting, Powerhead, Pyramid Reed Valve, Pre-Jetted Keihin 36mm PJ Carburetor, Jet Kit, K & N Filter, Outerwear, T-Shirt, Instructions, DR Tech Support,

· Price plus any necessary machining and or parts. Example: Boring, Gaskets, Pistons, etc. Is additional cost.
· Throttle and or throttle cable not included
· Pipe comes with factory finish. Chrome Plated version available at additional cost

Power Curve (2) Options For each Kit: Cross Country (Low End Power Emphasis)
Midrange (Midrange Power Emphasis)

Pipe Options: RACE (midrange)

Porting Options: XC, Midrange .

Multiple Compression Options (Powerhead has interchangeable domes, offered in various sizes)

Cores Required: Cylinders
Customer must send in their cylinder to DRI for porting modification or purchase new.

Recommended Additions:
DR C22 Clutch Kit                        #DR-C22                     $144.00
Hinson Billet Clutch Basket         #H061                         $230.00

Pipe Chroming

Upgrade Options:
Keihin 39mm PWK Carburetors                              add $25.00
Pipe Chroming                                    #CP-900N
          $95.00
DR Flywheel Mod                                #MS-5000           $85.00
SUPER FLOW Carb Mod                      #MS-FLOW        $60.00
Carb Bore & Super Flow                     #MS-CBSF          $90.00

Performance: 50% Upgrade over stock
Reliability: 85% of stock reliability

Application Recommendations:
XC/Low End: Cross Country/Tight Woods Riding and or Racing

Midrange: Motocross, Sand Dune Riding, Trail Riding, Grand Prix Races,
*Best Overall PowerBand


Notes: The DRI/PTR NATIONAL kit is an outstanding buy for overall performance gain, reliability and value. While still maintaining the usage of stock OEM cylinder.
This kit stays with stock displacement to maintain the highest possible reliability. The size of this kit is not what makes it so appealing. It is the proven combination of the pipes, porting, reed cages, carbs etc. working together.


DRI Suzuki LT 250R ELIMINATOR Kit           

#EK-22EL        $1399.00

Not available online- Please call DRI to purchase
Includes: PTR RACE or HIGH REV Pipe, Fat Boy 2 Silencer, NATIONAL ELIMINATOR Porting, Powerhead, Pyramid Reed Valve, Pre-Jetted Keihin 39mm PWK Carburetor, K & N Filter, Outerwear, Instructions, DR Tech Support, T-shirt
· Price plus any necessary machining and or parts. Example: Boring, Gaskets, Pistons, etc. Is additional cost.

· Throttle and or throttle cable not included
· Pipe comes with factory finish. Chrome Plated version available at additional cost

Power Curve: Midrange Top End Combination

Pipe Options: RACE (midrange combo), HIGH REV (top end)

Porting Options: ELIMINATOR or HIGH REV

Multiple Compression Options (Powerhead has interchangeable domes, offered in various sizes)

Cores Required: Cylinders
Customer must send in their cylinder to DRI for porting modification or purchase new.

Recommended Additions:
DR-C22 Clutch Kit                                 #DR-C22                          $144.00
Hinson Billet Clutch Basket                  #H061                              $230.00

Upgrade Options:
Pipe Chroming                                    #CP-900N                         $95.00
DR Flywheel Mod                                #MS-5000                         $85.00
SUPER FLOW Carb Mod                     #MS-FLOW                       $60.00

Performance: 50% Upgrade over stock
Reliability: 85% of stock reliability

Port Option: Kit may also be ordered with PTR HIGH REV porting. This will make kit a HIGH REV Kit for maximum High RPM applications, such as Drag Racing, Hill Racing etc.

Application Recommendations:
ELIMINATOR: Excellent Dual Sport type riding, Motocross, Trails, Sand Dunes,
Very Versatile

HIGH REV: Drag Racing, Hill Racing, large TT's and Flat Tracks


Notes: The DRI/PTR ELIMINATOR kit is an excellent choice when multi riding options are used, strong overall performance gain, reliability and value. While still maintaining the usage of stock OEM cylinder.
This kit stays with stock displacement to maintain the highest possible reliability. The size of this kit is not what makes it so appealing. It is the proven combination of the pipes, porting, reed cages, carbs etc. working together.

ENGINE SERVICES

Complete Engine Rebuilding             #ER-2250                        $495.00
(Complete Tear Down & Reassembly)

Cylinder Boring with ELITE Hone       #MS-70EH                        $85.00
(includes port chamfer, cylinder wash)

Modified Flywheel


Flywheel Mod                                      #MS-5000                       $85.00
(Improves throttle response)

Super Flow Carb Mod                          #MS-FLOW                    $60.00
(Increase carb efficiency)

Crankshaft Rebuild                               #MS-9011                     $125.00
(replace rod assy. + rod assy price)

PTR Cylinder Porting & Stock Head Re chambering                 $495.00

PTR Cylinder Porting without head mod.                                  $475.00
(Must use POWERHEAD.)
Customer must send in their cylinders for port modification. Prices plus boring and pistons

PORT TYPE OPTIONS (for stock cylinder), NATIONAL (XC or Midrange), ELIMINATOR (Mid-Top Combo), HIGH REV (Top End)

Stock Head Re Chambering       $75.00


INDIVIDUAL ENGINE COMPONENTS


Suzuki LT 250R (87-92) Exhaust Systems
(PTR Suzuki Pipes ONLY work with PTR Fat Boy 2 Silencers)

PTR Midrange RACE Pipe & Fat Boy 2 STD Silencer           

#PT-2SP25R              $409.95


PTR High Rev Pipe
(top end)& Fat Boy 2 STD Silencer         

#PT-2SP25H              $409.95

PTR Midrange RACE Pipe & Fat Boy 2 QUIET Silencer        

#PT-2SP25R-Q          $419.95


PTR High Rev Pipe
(top end)& Fat Boy 2 QUIET Silencer      

# PT-2SP25H-Q         $419.95

* Except when noted all pipes supplied with Factory Metal Finish.
  Pipes may be ordered with Triple.

'PTR Fat Boy 2 Silencer

Plate Chrome                                   

#CP-9000N     add $120.00

PTR Fat Boy 2 STD Silencer (87-90)       

#FB-S27S      $159.95


PTR Fat Boy 2 Quiet Silencer
(87-90)      

#FB-Q27S      $169.95


PTR Fat Boy 2 STD Silencer
(91-92)       

 #FB-S29S      $159.95


PTR Fat Boy 2 Quiet Silencer
(91-92)      

#FB-Q29S     $169.95

PTR Fat Boy 2 Silencer

*PTR Fat Boy 2 Silencers ONLY work with PTR pipes.
They will not fit on stock pipe.

Spark Arrestor   $75.00 ea.
(3" Universal Bolt onto Fat Boy 2 STD Silencer.
Will not work on Quiet model)

PTR Powerhead

Billet Exhaust Clamp                             

#EXC-250-PT    $35.00

ENGINE

PTR POWERHEAD without Head stay
   

 #PH-2250        $219.00
(use oem style head gasket)

PTR Powerhead

PTR POWERHEAD with Headstay           

#PH-225H       $229.00
(use oem style head gasket)

Replacement Dome Sets (all sizes)         
#PH-225D-      $39.95



INTAKE

Pyramid Reed Valve

PYRAMID REED VALVE                                

#PRV-200          $175.00


Keihin 34mm PJ Carburetor                        

 #K-34PJ           $185.00


Keihin 36mm PJ Carburetor                         

#K-36PJ           $235.00


Keihin 37.3mm PJ Carburetor
                     

#K-373PJ          $299.00


(Bored & Super Flowed)
Keihin 38mm PWK Air Stryker Carburetor   

#K-38PWK-AS   $235.00


Keihin 39mm PWK Carburetor                     

#K-39PWK        $249.00

· Carbs are sold without throttle and cables. These items must be purchased separately at an additional cost.
· SUPER FLOW Mod is available to all carbs ordered (except when noted) add additional $ 60.00 each

Keihin Jet Kit                                          

#K-JK01            $45.00
(2-pilot jets, 2-needles, 4-main jets)


K & N Filter                                             

#SU-4250            $47.15


Outerwear
                                             

#Q-16-325T          $19.95
(for K & N Filter)

Hinson Billet Clutch Basket

CLUTCH


Hinson Billet Clutch Basket
  (7-plate)                 

#H268               $230.00

To purchase the Clutch Basket click here



DR-C22 DR 7-Plate Clutch Kit                 

#DR-C22               $144.00

To purchase the Clutch Kit click here




CHASSIS

DR Chrome Front Bumper

DRI Chrome Front Bumper                

#DR-0250             $179.00

To purchase the Chrome Front Bumper click here

 

 

ELKA Shocks


Replacement Model Front pair without reservoirs
   from $515.00

Sport Model Front pair with reservoirs                        from   $715.00

Sport Model Rear with reservoir                                    from   $745.00

· Call DRI for specific application needs and part numbers regarding Elka shocks and or see ELKA section in ATV PRODUCTS section on this web site

 

ROTORS
STD Front 88-89
                  #DF714W                               $130.00 ea.
STD Rear                             #DF715W                               $130.00 ea.

 

BRAKING PADS
Front                                     #669                                      $29.99
Rear                                      #686                                      $29.99


ACCESSORIES

TAG Handlebars                         

Oversized T2 Bars                             $94.95
                                                   

Stock Style X5 Bars                           $79.95


MOTION PRO


CR Throttle                                         #01-056                                    $22.40


VORTEX Throttle
(1/4 Turn)                #01-054                                    $34.60


Cable Thumb-34/39 PJ/PWK          #C-069                                     $19.95


Cable CR-36/39 PJ/PWK                 #02-247                                    $15.95


Cable Vortex-36/39 PJ/PWK           #01-0738                                  $21.85


Cable Terminator Clutch                 #04-102                                    $22.95

SHOCKWEARS Available for all shocks                                                  $49.00 set

See SHOCKWEARS in PRODUCT Section for Complete application Chart

 

BILLET COMPONENTS

Billet Gas Cap                                       #CS-LTCG                               $69.95


Parking Brake Block Off Plate
        #DR-PB13                                $14.95
(silver, red, blue)


Billet Throttle Cover                            #DR-TC22                                $39.95

 

Rear Fender Decal Strips

 

Rear Fender Decal Strips

"2-Stroke" Red                #DR-RF-D25-R           $18.95

"2-Stroke" Blue               #DR-RF-D25-B           $18.95

To purchase the Rear Fender Decal click here

 

 


 

DR Number Plates (3pc set)

** Please Note: These are the DECAL BACKGROUNDS and not the plastics
        

WHITE            #DR-850                          $24.95
BLACK            #DR-825                         $24.95
RED                #DR-840                          $24.95
BLUE              #DR-830                          $24.95

YELLOW         #DR-835                          $24.95

GREEN            #DR-827                          $24.95      
To purchase the Number Plates click here

Red
Black
White
Blue
Yellow
Green