Motorcycle USA Reviews/DR.D Kawasaki KX450F Off Road Project Bike

Over the years the Kawasaki KX450F has developed a reputation for not only being one of the most race ready motocross bikes out of the crate but also the MX bike of choice for plus-sized riders. Its robust engine performance, stiffer suspension settings and well proportioned cockpit have made it a very competent motorcycle to ride in a skilled person’s hands. However, a significant portion of riders still prefer to ride on trails off-road as opposed to jump-laden motocross tracks. That’s where Dubach Racing Development comes in. They modified Team Green’s 450 to make it more accommodating for off-road riders in their chosen field of operation. 

On the exhaust side DRD fitted its top-of-the-line Dr. D Titanium Exhaust System. As opposed to other pipes this one features a spring-less design in which header, mid-pipe and muffler simply plug into each other. Another interesting design note is the employment of metric fasteners instead of rivets on the muffler body which allow the user to easily service it or to remove the USFS Approved Spark Arrestor. DRD’s pipe sounded on par with a freshly packed stocker and top-end engine performance felt strong and didn’t fall off at redline.

In spite of it carrying a few extra pounds, set the DRD-modified KX450F into a corner and you’ll be surprised by its low-speed agility. While it does take a little more effort than most other 450 MX’ers, it steers in and out of corners predictably. Part of the reason can be attributed to its lower center of gravity courtesy of the DR. D Radiator Lowering Kit. The kit consists of machined aluminum brackets that physically lower the mounting position of both radiators. A bike that steers so easily might be assumed unstable at speed but the chassis remains composed and feels almost truck-like in its ability to just blast across obstacles with minimal head shake.

DUBACH RACING DEVELOPMENT
DR.D Ti/Ti complete System: $869.99 
DR.D Hour Meter: $36.99
DR.D Radiator Lowering Kit: $49.99
IMS PRODUCTS
Large Capacity Fuel Tank: $287.99
FACTORY CONNECTION
$180.00 Fork Re-valve Service
$26.95 FF5 5WT Fork Fluid
$109.95 Factory Connection Fork Springs
$39.95 Factory Connection Pressure Springs
$28.00 Fork Oil Seals
$28.00 Fork Dust Seals
$180.00 Shock Re-vavle Service
$17.95 GSF 3WT Shock Fluid
$30.00 Shock Oil Seal
$19.95 FC Compression Piston Plate
$17.95 FC High-Speed Compression Spring
HINSON RACING CLUTCH COMPONENTS
Clutch Cover: $159.99
LIGHTSPEED
Front Fork Guards $99.00
Skidplate/Engine Guards $199.95
PRO TAPER
EVO Carmichael-bend Handlebar: $89.95 
S.P.I. 2.3 Footpegs: $179.95
SIMON SMART BODY
KX450F Throttle Body: $899.95
QTM
Oversize Front Brake Kit $299.00

ARC LEVERS
ARC Axis Perch Lever Assembly $189.00
ARC Front Brake Lever $59.95
ARC Hand Guards $15.00
CV4 PRODUCTS
Radiator Hoses Blue: $89.94
DECAL WORKS
Decal Works Custom DRD Graphics $180.00

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