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First Ride: Honda TRX450R

By Allen Knowles
Photography, Captions, and Smart Alec comments by Billy Bartels
February, 2009
2003 Honda Trx450r Front Right
2003 Honda Trx450r Front Right
2003 Honda Trx450r Front
2003 Honda Trx450r Front Right
2003 Honda Trx450r Front Right
2003 Honda Trx450r Engine
Engine: Thankfully Honda... 
   
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2003 Honda Trx450r Engine
Engine:
Thankfully Honda went to the extra effort to make the 450R kick forward like a quad should. The brake and shift levers are both aluminum for weight savings. Oil is separated in a twin sump design (like the motorcycle) which eliminates the oil tank and keeps transmission oil (with clutch and gear debris) from interacting with the piston rings and other sensitive motor parts.
2003 Honda Trx450r Brakes
Brake: The front brake calipers... 
   
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2003 Honda Trx450r Brakes
Brake:
The front brake calipers are twin piston units for maximum stopping power. Other than the short stretch of flexible brake line shown in the photo, the rest is either steel or a special thin-tube design that mimics the action of steel braided lines, making for very easily modulated braking. You can put the 450R on its nose with one finger if you want, but still retain very precise control over all that power.
2004 Honda Trx450r Caliper View
Caliper: The rear brake caliper,... 
   
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2004 Honda Trx450r Caliper View
Caliper:
The rear brake caliper, while only a single piston, is a beefy unit, built to avoid flex, thus giving more consistent braking action.
2003 Honda Trx450r Seat
Ergos: The 450R has very... 
   
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2003 Honda Trx450r Seat
Ergos:
The 450R has very relaxed ergonomics compared to the other recent 'racy' quads (Predator, YFZ), with a plush seat that doesn't hinder control at all. The 3.2 gallon tank will be nice for trail riders, but hinders movement around the tank on the track.
2003 Honda Trx450r Shock
Shock: Honda thoughtfully... 
   
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2003 Honda Trx450r Shock
Shock:
Honda thoughtfully put the shock reservoir behind the body to eliminate damage from roost. All three shocks are fully adjustable for rebound damping, compression damping, and preload.
2003 Honda Trx450r Taillight
Taillight: If you break the... 
   
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2003 Honda Trx450r Taillight
Taillight:
If you break the trick LED taillight on your shiny new TRX450R, don't panic. It will probably be in abundance on EBay, from all the racers and wannabe racers taking them off.
2003 Honda Trx450r Left Grip
Hotstart: Many might ask,... 
   
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2003 Honda Trx450r Left Grip
Hotstart:
Many might ask, 'Where's the Magic Button?' Well, on this machine this is the magic button. Push this and give a little granny kick on the kickstarter and it'll fire most of the time.
2004 Honda Trx450r Brake Lever View
Lever: The front brake lever... 
   
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2004 Honda Trx450r Brake Lever View
Lever:
The front brake lever is adjustable for reach (arrow), and also has a hollowed-out breaking point so you can have front brakes on the 'ride of shame' back from a crash.
2003 Honda Trx450r Exhaust
Exhaust: The 450R comes with... 
   
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2003 Honda Trx450r Exhaust
Exhaust:
The 450R comes with a beefy stock silencer, which starts off at the federally-mandated low-db limit, but with just the addition of an HRC endcap flows considerably more. Although 'intended for closed-course competition' the HRC cap is spark-arrested and tests at about 96db, so is legal for most states.
2004 Honda Trx450r Oil Glass View
Oil: On one side of the engine... 
   
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2004 Honda Trx450r Oil Glass View
Oil:
On one side of the engine the oil is measured with a sight glass, and on the other a dipstick.
2004 Honda Trx450r Decompression View
Decompression: This is a... 
   
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2004 Honda Trx450r Decompression View
Decompression:
This is a cutaway shot of the auto compression release. At any speed under 200 rpm (not running) it kicks in so you can even bump start the machine on the run if it stalls pointed downhill.
2004 Honda Trx450r Grab View
Grab: The aluminum grab rail... 
   
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2004 Honda Trx450r Grab View
Grab:
The aluminum grab rail weighs about as much as five potato chips.
2004 Honda Trx450r Air Box View
Airbox: Like the Yamaha YFZ,... 
   
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2004 Honda Trx450r Air Box View
Airbox:
Like the Yamaha YFZ, the 450R sports a large-capacity airbox. Unlike the YFZ, it does not have a large-capacity filter.
2004 Honda Trx450r Carburetor View
Carb: While it looks like... 
   
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2004 Honda Trx450r Carburetor View
Carb:
While it looks like a constant-velocity (CV) carb, it is not one. It uses a butterfly combined with a round slide for a high-performance carb that is easier to tune than a high-strung race carburetor. A nice touch is that all the moving parts are protected from dirt behind the plastic cover (top).
2003 Honda Recon Es Top
When we saw newly-sworn-in... 
   
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2003 Honda Recon Es Top
When we saw newly-sworn-in factory pilot Tim Farr hit the track on a Recon, we made a point to speed up so as not to get passed on the diminutive utility machine.
2003 Honda Trx450r Recon Es Front Right
...then Tim let us 'borrow'... 
   
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2003 Honda Trx450r Recon Es Front Right
...then Tim let us 'borrow' it while he rode our 450R...
2003 Honda Trx450r Front Left
Sometimes you line up the... 
   
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2003 Honda Trx450r Front Left
Sometimes you line up the perfect shot: sharp, in-focus, good action... and some pesky weed pops into the picture as you shoot it.

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