Testing Notes - Project CRF 450 - - Dirtbike at Off-Road.com
Dirtbike »

Price and Compare Vehicles:
New, Used, and Powersports    Go button

Testing Notes - Project CRF 450

Source: Dirtbike at Off-Road.com

As the Project CRF450 evolves, things change in regards to the bike and how it functions. Racing and testing is a random process, where anything could go right, or wrong. This section is dedicated to provide brief notes on any product we have been testing; the product may appear great after a few rides, but with time it may not hold up to it's expectations.
 June 13th - More R&D in the Beautiful Northwest
 • Dick's Racing Suspension - The popular WORCS series took us up to the scenic Washougal, Washington to do the initial testing of suspension tuned by Las Vegas suspension expert Dick Wilk. I was incredibly pleased with Dick's work. The course was muddy, and littered with braking and acceleration bumps, but the CRF always kept a straight line while accelerating out of corners and braking into harsh stops. A full review will be coming soon, but to brief you on what magic he performed, the forks received lighter springs and less fluid. The shock received a stiffer spring; both the forks and the shock were revalved to make the system work best for both MX and off-road.

 May 29th - Torture Testing at Round 3 of the WORCS series....
 • TM Designworks - I just got word from the sales dept. They made some significant changes to the design of their chain slider which should alleviate the chain slapping noise. Stay tuned for more details regarding their plans with the changes.
 • MX Bonz CNC Airbox Seal Kit - The WORCS race was hands down the dustiest race I've attended with the CRF. This made me a little nervous because of the airbox problem I've been having. Luckily, even with the filter literally crusted with dust, there was very very little indication of dust passing through. Before, there was typically a very fine mist of dirt which would nearly fully coat the airboot, but after the MX Bonz kit, this problem is relieved. But after removing the subframe and airbox assembly, I noticed a few very small bits of dirt in the small end of the air boot. This could be from the removal of the airboot, but doubtful. Regardless, this is a 90% improvement over previous attempts.
 • Fasst Co. Inserts - After the 2 hour race, I was not very drained at all, but for some reason my right hand was still a little fatigued, into my lower arm. If it was not for the Fasst Company anti-vibration inserts, I would not have lasted. The inserts are the best $50 you could spend.
 • Weak Radiators - It has been rumored that the radiators are easily succeptable to to damage; now I know that is true. I went down twice during the race, both times at a relatively slow speeds; the second time down netted a caved in left side radiator. Looks like a call to Devol is on the way.

 May 20th - Continued Testing High in the Mountains of Nevada
 • Clarke 3.3 gallon tank - The day started in Cold Creek Canyon north of Las Vegas high up in the mountains (starting at 6000 ft.). Our loop consisted of tight single track to fast open washes. The Clarke tank proved to be a vital asset to the 50 mile loop, as a couple riders ran out of gas. The comfort level was right up there with the small two gallon stock unit.
 • FMF Ti4 Exhaust - I have been noticing a slight hiccup from the initial twist of the throttle. Looks like some jetting changes will be required to fix the hisitation.
 • 909 Force Grips - It seems like every time the bike falls down (honestly, the wind blew it off the stand), the grip gets pretty ugly. The stainless end cap will prevent minor injury to the grip end, but any relatively harsh impact will demolish the end, tearing it apart.
 • TM Designworks Products - I'm getting used to the added noise produced from the chain slider/chain guide and lower roller. The only time it is really annoying is slow speed sections where the bike needs to be lugged.

 May 13th - Airbox, cont'd and 3.3 gal. Clarke Mfg Fuel Cell
 •MX Bonz Airbox Fix - Through all the problems regarding the leaking airbox, a small company called MX Bonz contacted us in regards to their billet aluminum airbox fix. This replaces the pathetic OEM air filter sealing surface that contains those dreaded "nubs" that keep the filter from properly sealing. The product bolts through the airbox, connecting the airboot to the airbox. Hopefully this will fully cure the fatal problem. Full review coming soon....
 •
Clarke Mfg - The 3.3 gallon natural colored tank was installed last weekend and taken out for a quick initial test. A photo can be seen on May's table on contents. Fit and finish looks great; the tank installed quickly with no problems. How did it feel while riding?....you'll see soon.


 May 9th - Leaking Airbox and Another New Product
 •Airbox Leaking, still (and yes, I'm using the PC Racing Pro-Seal kit) - A few weeks ago at a Glen Helen MX race, I noticed that the vent hose at the top of the airbox was removed. The result was a fine coat of dust in the airboot! I immediately replaced the hose, and after cleaning the airboot, I thought everything would be fine. Not the case. I removed my air filter to replace it last night and the airboot was covered with a thin layer of dust. I am running the PC Racing Pro-Seal kit, but the only thing I could guess is that since I applied the gasket without a silicone sealant the dirt somehow still escaped through (the instructions that come with the PC Racing Pro Seal kit say that a sealant between the airboot and airbox is not necessary when using their kit). Next step was to use a silicone sealant between the airbox and the gasket, and the gasket to the airboot. After taking the airbox assembly completely apart to analyze the problem, there may be one spot where the PC Racing gasket was not doing it's job. Check back soon to see what has happened.
 • Clarke Mfg - We will be receiving shipment of Clarke's newly released 3.3 gallon fuel tank soon. Available in the OEM black, white or a natural material, allowing for fuel level checks on the move.

 May 1st - Upcoming Products to be Tested
 • RTT Motorsports - They are projecting to have their new and very revolutionary steering stabilizer in production sometime this month. I will be on hand at the Price, Utah round of the WORCS series testing the damper, along with many other products.
 • CRD Absolute - I was contacted by ex-World Championship Enduro racer and ISDE veteran Eric Gauthier who is now importing CRD Absolut products. They produce phenomenal skid plates, frame guards, bike stands, programmable CDI ignitions, along with exhaust systems.
 • AMP-Research - Remember the AMP-Link from the days of ATK? The design is a little different now, but the concept is still the same (and still a little mis-understood). The ORC 450 will receive a new version of the AMP Power Link to alleviate the problem of negative chain torque on the rear suspension. Its a concept that many people don't even think about, but it can be the best suspension improvement you can make.
Stay Tuned as more develops....

 April 25th - Another Afternoon of Testing
First off, I have been talking with Dick Wilk of Dick's Racing for a couple weeks regarding a new fork design that he has been developing ever since the 450 was introduced. Purely created for off-road abuse, we headed for the rough and rocky mountains of Northwestern Las Vegas to prove the ability of Dick's creation. He set the forks up to where each adjuster had it's own duty.

Here is how they are set up:
• the lower right adjuster controls Rebound
• the upper right controls Mid Compression
• the upper left controls bottoming resistance
• and the lower left controls low speed compression

How did they work? First off, proper testing will be done later, where we swap the Dick's Racing forks back to back with the stock forks. This was the intention, but a crack in the ignition cover stopped that from happening. The forks felt strange at first, reason being is that they are dramatically softer than the stock forks. This allowed them to stay on the ground more, and allowed for a better, but much different feel. After covering a wide variety of terrain, we stopped to see how much travel I was using. Amazingly enough, there was still a solid 4-5 inches yet to be used! The forte of these forks is the ability to soak up nearly any rock, whoop or any obstuction at high speeds, while still have great resistance to bottoming, as we found out. We'll be working more with Dick's in weeks to come.....
Fastway Billet Throttle Tube: For some reason, I led Dick and Chuck Sun up a hill that seemed like it had no end. The night before, I had the bright idea to switch my gearing over to suit high speeds, but did not realize we would be cruising goat trails. The lack of low-end proved to be my demise, as I was forced to drop the bike from a loss of balance. As luck would have it, the bike landed directly on a rock (one of 1,234,435,555 rocks in the area) using the throttle housing as a target. SMACK! The housing made a distrurbing sound as the bike finally came to rest. Did it break and end my day? NO! The off-road genius' at Fastway Performance supplied the ORC 450 with their billet aluminum throttle tube saving my afternoon. I honestly did not see a whole lot of value in the device until that very moment. If I had the stock plastic throttle tube in place my day would have ended, leaving me stranded in the absolute middle of nowhere.
(by the way, I went down when testing, forcing the shifter through the ignition cover....a new ignition cover is on the way)

 April 18th - Saturday Trail-Ride/Test
I ended up getting the 24-hour flu, and could not make it to the BITD Trail-Ride...but felt good enough to do ride a 25 mile loop near the office on Saturday.....
Fastway Footpegs: The new Hondas feel a little cramped in relation to the seat to peg measurement, and Fastway immediately recognized this problem by offering a "low-boy" footpeg. In all reality, the collar which hangs below the peg, it cut off, and put on the top of the peg. Then the right spring is moved to the left and vice-versa. The difference? Amazing! The pegs dropped 1/2" back, and 1/2" down, which enables one's knees to grab the seat much easier and just makes riding the bike a more comfortable experience. The difference was very noticeable. It was much easier to shift and brake...and just added more control. Great product.
I just installed a some new products from BBR (a billet rear brake pedal and gas cap), and SRC (their great looking skidplate, clutch cable retainer, hi-pressure radiator cap, and Kiwi case saver) The SRC Skidplate: It seemed to fit a little tight, but this is the best skidplate we have seen yet. Great protection, excellent ventilation to the motor. As always, see the schedule of Product Reviews in the Left Column to deterine the publishing date of the full review..

Page OnePage Two
If you have any questions, opinions or comments, let us know! Kevin Gorzny
Follow us on Twitter at www.twitter.com/OffRoadDotCom
post a comment
Your email address will NOT be published.
appears with your comment
read our privacy policy
Note: does not support HTML
All comments submitted are subject to review, and may be delayed before posting. We reserve the right not to post comments.
Untitled Document
Sponsored Links
Off-Road Videos -
Check out over ten years of extreme 4x4 action, product testing and the Off Road Nation at play. Baja racing to rock crawling, ATVs in the sand to motorcycles in the dirt, it's all here. Rate them, share them and upload your own.
ATV Reviews -
Honda, Suzuki, Yamaha, Polaris, Kawasaki, Can-Am. First rides to long-term tests, check out the latest in ATVs, UTVs and Side-by-Side vehicles of every make and model. Read expert opinions and follow custom project vehicles.
Axxxtion Sports.....
Axxxtion Sports is heating things up with their 2010 Winter Heat snowmobile calendar! Simply Sexy!

Enewsletters

Stay on Top of All the Action:
Sign up for Off-Road.com's Enewsletters

Source: Dirtbike at Off-Road.com,
Click here