MXA’S WEEKEND NEWS ROUND-UP: ST. LOUIS ON SATURDAY & THEN A WEEK OFF BEFORE THE FINAL FIVE
• GODSPEED! RICARDO BARBOSA (1961-2024)
The SoCal racing community mourns the sudden loss of Ricardo Barbosa, owner of 3 Brothers Racing, to a medical problem while racing. Ricardo’s passion for racing was evident in his support of one of the best endurance racing series in SoCal with the 3 Brothers 6-hour, 10-hour and 24-hour. Ricardo’s presence will be deeply missed. MXA extends our sincere condolences to his family and and, as racers, who have competed in and covered Ricardo’s endurance races, we will miss his passion for the sport. our hearts go out to his family and friends.
• A TOUCH OF SADDLEBACK NEWS FROM 40 YEARS AGO
What a rip-off! It cost $2.50 to ride at Saddleback Park.
What if you don’t own a bike, leathers or helmet?
Jody in 1979 taking a long had look at Suicide Mountain in the distant
No one every bought it. Amazingly, it sat unused for 39 years until Orange Couty turned it into a wilderness park last year.
Warren Reid flying over the top of Suicide Mountain.
• GLEN HELEN OFFERS A $10,000 PRO PURSE FOR THE MAY 16 “STOPWATCH NATIONAL” WARM-UP RACE
Josh Mosiman talks to Bud Feldkamp, the owner of Glen Helen Raceway, about the upcoming “Stopwatch National” on Thursday, May 16th. Originally this was scheduled to be a one-lap timed challenge, but they decided to turn it into a two-moto race format, with 30-minute plus 1 lap motos for the 250 and 450 pros combined. They will pay the top ten, with the winner getting $4000 (which is what a 250 East/West Supercross rider gets for finishing second in an AMA Supercross and more than a fourth place rider gets in a 450 Supercross).
Also coming up on March 30 is the 2024 Wiseco World Two-Stroke Championship. It pays big money to the Pasha 125 Pro class, Pasha Over-30 125 Pro class and Pasha Over-50 125 Pro class (Pasha 125 Pro bikes can run 150cc engines). Of course, the stand-alone Open Pro class will be paying purse money also.
WEEKLY PRIZES IN THE SUPERCROSS MXA FANTASY LEAGUE
Even though the season has started, you can still join for an opportunity to win weekly prizes!
Android app download: https://play.google.com/store/apps/details?id=com.mxa.fantasyleague&pcampaignid=web_share
Dive into an unparalleled Supercross Fantasy experience with MXA’s cutting-edge app, meticulously crafted to deliver all the action directly to your fingertips. Our sophisticated, seamless, and completely free platform allows you to engage in intense competitions, even if you join mid-season. With opportunities to win prizes every weekend based on the most points gained from each race, you’re never out of the running. The season is already in full swing, but you can still challenge your friends, create groups, and immerse yourself in the competition by joining private parties. Enter at any point in the 2024 Supercross series, and stay tuned for our 2024 AMA Motocross Fantasy game. If you’re using Apple click here and if you’re on Android click here.
• 2024 TRIUMPH TF250-X YOUTUBE VIDEO VIEWS BY MEDIA OUTLET
• MXA VIDEO: 2024 TRIUMPH TF250-X TEST
PUT ON YOUR THINKING CAPS FOR THIS WEEK’S MXA SUPERCROSS FANTASY LEAGUE
Even though the season has started, you can still join for an opportunity to win weekly prizes!
Android app download: https://play.google.com/store/apps/details?id=com.mxa.fantasyleague&pcampaignid=web_share
Dive into an unparalleled Supercross Fantasy experience with MXA’s cutting-edge app, meticulously crafted to deliver all the action directly to your fingertips. Our sophisticated, seamless, and completely free platform allows you to engage in intense competitions, even if you join mid-season. With opportunities to win prizes every weekend based on the most points gained from each race, you’re never out of the running. The season is already in full swing, but you can still challenge your friends, create groups, and immerse yourself in the competition by joining private parties. Enter at any point in the 2024 Supercross series, and stay tuned for our 2024 AMA Motocross Fantasy game. If you’re using Apple click here and if you’re on Android click here.
• MXA VIDEO: 2024 YAMAHA YZ125 TWO-STROKE TEST
• MXA PRODUCT SPOTLIGHT: TM DESIGNWORKS YZ450/250F SLIDE-N-GUIDE KIT
TM Designworks has the designed the ultimate Slide-N-Guide kit for the new Yamaha YZ450F, YZ250F and YZ450FX. The kit consists of a Dirt Cross-molded Slider with chain noise reducing technology. UV and oil additive reduce chain drag and wear.
The patented Powelip lower roller is included in the kit, while.the rear chain guide uses our RMS (return memory system) and is shaped with TM Designworks small body, high ground clearance design. The larger outside front, side, and bottom chamfers slice through deep berms and ruts like butter. Choose from black or Yamaha blue color. The retail price is $179.00. For more information go to www.tmdesignworks.com
• MXA VIDEO: 2024 KAWASAKI KX250 TEST
• EVERY 2024 AMA SUPERCROSS WINNER AT A GLANCE
Cooper Webb (2) and Chase Sexton (1) dueled all the way to the finish line finish line in Seattle. Webb edged Sexton out by half a bike length.
Venue 450 250
Jan. 6…Anaheim, CA………………………….Jett Lawrence (Hon)……………R.J. Hampshire (Hus)
Jam. 13…San Francisco………………………Chase Sexton (KTM)…………Jordon Smith (Yam)
Jan. 20…San Diego, CA………………………Aaron Plessinger (KTM)…….Nate Thrasher (Yam)
Jan.27…Anaheim 2, CA………………………Cooper Webb (Yam)…………..Levi Kitchen (Kaw)
Feb. 3…Detroit, MI……………………………..Jett Lawrence (Hon)……………Austin Forkner (Kaw)
Feb. 10…Glendale, AZ………………………..Ken Roczen (Suz)…………………R.J. Hampshire (Hus)
Feb. 24…Arlington, TX……………………….Cooper Webb (Yam)…………….Haiden Deegan (Yam)
Mar. 2…Daytona Beach, FL…………………Jett Lawrence (Hon)…………….Tom Vialle (KTM)
Mar. 9…Birmingham, AL……………………Jett Lawrence (Hon)……………Tom Vialle (KTM)
Mar. 16…Indianapolis, IN……………………Jett Lawrence (Hon)…………..Cameron McAdoo (Kaw)
Mar. 23…Seattle, WA.…………………………Cooper Webb (Yam)…………..Levi Kitchen (Kaw)
Mar. 30…St. Louis, MO……………………….
Apr. 13…Foxborough, MA…………………..
Apr. 20…Nashville, TN……………………….
Apr. 27…Philadelphia, PA…………………..
May 4…Denver, CO………………………….
May 11…Salt Lake City, UT……………….
450 Points leader………………………………Jett Lawrence
250 West Points leader…………………….Levi Kitchen
250 East points leader………………………Cameron McAdoo
• MXA VIDEO: 2024-1/2 KTM 450SXF FACTORY EDITION TEST
• MXA PHOTO OF THE WEEK: SUPER-SUPERCROSS WHEELS
David Pinkman was in Southeast Asia on business when he stopped by an open air market where they were selling motorcycle parts, when he noticed a set of wheels laced with rebar. They must plan on jumping some big stuff.
• $12,000 PASHA 125 PRO CLASSES AT THE WORLD TWO-STROKE CHAMPIONSHIP ON APRIL 20
2024 WORLD TWO-STROKE PASHA 125 PRO PURSE & PRIZES (ENGINE SIZES UP TO 150cc LEGAL)
125 Pro: First— $2000; Second— $1000; Third—$500; Fourth— $400; Fifth— $300.
Over-30 125 Pro: First—$1500; Second—$1000; Third—$500; Fourth—$400; Fifth—$300.
Open-50 125 Pro: First—$1500; Second—$1000; Third—$500; Fourth—$400; Fifth—$300.
ADDED BONUS MONEY & PRIZES
(1) The Racers Edge (TRE) offers a $500 bonus to first place in the 125 Pro class (making the winner’s share of the purse $2000).
(2) Fourth and fifth place purse money in all three classes comes from Simi Valley Cycles.
(3) Sixth place in all three 125 Pro classes gets a Ken & Joe’s dealership gift bag.
(4) The purse money comes from Pasha and the companies listed on the race poster above.
(5) Total purse for the three Pasha 125 Pro classes is $12,000 in cash, plus prizes.
(6) ASV Levers are paying $400 start money to get Mike Alessi to the race.
• 2024 TV SCHEDULE: AMA 250 EAST/WEST SUPERCROSS & 450 SUPERCROSS
Cooper Webb (2) took the victory at the Seattle Supercross. It wasn’t a mud race, but it was a close as you can get. Webb now has three wins in the 2024 AMA 450 Supercross series. Can he make i four in St. Louis this Saturday?
• MXA VIDEO: 2024 KAWASAKI KX450 TEST
• THE GREATEST DEAL IN MOTOCROSS! SUBSCRIBE TO MXA & GET A $25 ROCKY MOUNTAIN ATV/MC CREDIT & A YEAR OF MX FUN
This is the cover of the April 2024 issue of MXA
Did you know that you can subscribe to MXA at absolutely no cost to you—because when you subscribe you receive a Rocky Mountain ATV/MC credit for $25 towards anything in their massive inventory. Plus, you will get all the content in the 12 monthly issues of Motocross Action magazine delivered to your home by a uniformed U.S. government employee. The April 2024 issue includes a full test of the 2024 Husqvarna FC350, a 11-page photo gallery of the Anaheim 1 season opener, 10 pages on how MXA sent a local trail rider out to race the grueling 24-hours of Glen Helen—.by himself. We test the 2024 YZ125 and YZ250 two-strokes and cover how they came to be the longest continually produced motocross models on the track today. And give you detailed insight into not only the new Ducacti 450Desmo, but also the fact that you won’t seen one until 2025 . All of this in addition to “Troll Training” with Alex Martin, “Twisted Logic” with Jamie Ellis, “Suspennsion Simplified” with REP/AEO’s Mark Johnson and “Jody’s Box” by Jody Weisel, These experts give you the inside scoop on stuff you need to know. And, don’t forget, the $25 credit from Rocky Mountain ATV/MC that will more than cover the cost of your subscription. To subscribe call (800) 767-0345 or Click Here
• MXA VIDEO: 2024 GASGAS MC350F TEST
• EVERY 2024 FIM WORLD MOTOCROSS GRAND PRIX WINNER AT A GLANCE
Jorge Prado started his defense of his 2023 FIM 450 World Championship with back-to-back victories in the first two rounds of the 2024 MXGP season. He still has 18 more rounds to go.
Venue 450 250
Mar. 10…Argentina…………………………Jorge Prado (Gas)……………Kay de Wolf (Hus)
Mar. 24…Spain………………………………..Jorge Prado (Gas)……………Kay de Wolf (Hus)
Apr. 7…Sardinia
Apr. 14…Italy #1
May 5…Portugal
May 12…Spain
May 19…France
Jun. 2…Germany
Jun. 9…Latvia
June 16…Italy #2
June 30…Indonesia #1
July 7…Indonesia #2
July 21…Czech Republic
July. 28..Belgium
Aug. 11…Sweden
Aug. 18…Holland
Aug 25…Switzerland
Sept. 8… Turkey
Sept. 16…China
Sept. 29….Italy #3
450 Points leader……………………..Jorge Prado
250 Points leader…………………….Kay De Wolf
• 2024 YAMAHA YZ125X VS. YZ250X: WHICH OFF-ROAD YZ-X TWO-STROKE IS BEST FOR YOU?
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• POSTPONED! 2024 WORLD TWO-STROKE MOVE TO APRIL 19-20 ![](https://cdn-0.motocrossactionmag.com/wp-content/uploads/2024/03/world-two-stroke-1-scaled.jpg)
The Wiseco World Two-Stroke Championship was scheduled at Glen Helen Raceway for March 29-30, but due to a continuous string of West Coast rain storms, including a giant one scheduled to hit SoCal on the weekend, the race was rescheduled to April 19-20. Glen Helen only gets 5 inches of rain in drought years and 15 inches of rain on average, but this year it has been hit with rain storms virtually every week through January, February and March—resulting in 25 inches of rain falling in only three months
• MXA VIDEO: 2024 HONDA CRF450 WORKS EDITION TEST
• MXA TEAM TESTED: TWIN AIR ICE FLOW RADIATOR CAP![](https://cdn-0.motocrossactionmag.com/wp-content/uploads/2018/08/099.jpg)
Twin Air’s Ice Flow radiator cap increases the boiling point of the water in your bike’s radiator by increasing the amount of pressure inside the radiator. The difference between a stock radiator cap and a high-pressure one is dramatic. A motorcycle’s radiator cap is similar to the safety valve found on a chef’s pressure cooker. Since the boiling point of water increases when the water is placed under pressure, a radiator cap has a coil spring situated between two rubber seals. The stiffness of the spring determines how much pressure the water is under. As the water heats up, it expands. This expansion puts pressure on the radiator cap’s spring. When the radiator’s internal pressure exceeds the spring rate of the radiator cap, the hot coolant escapes and overflows between the two rubber seals. But, until the spring’s tension is overcome, the water will not boil.Without any pressure on it, water will boil at 212 degrees Fahrenheit (at standard temperature and barometric pressure); however, a cooling system that is under 15 pounds of pressure will allow straight water to reach 250 degrees before it boils. For every pound of pressure exerted on the coolant, the static boiling point is raised by 3 degrees. (3) Measurement. There are many measurements of pressure. Most radiators use kilograms per centimeter squared (kg/cm2). American cars use pounds per square inch (psi). Scientists use kilopascals (kPa) and Europeans use barometric pressure (bar).
Most Japanese bikes come with 1.1 kg/mm2 radiator caps, while KTMs and Huskys come with 1.8 kg/mm2 caps. A 1.1 kg/mm2 cap can handle 14.22 psi before the coolant pushes the valve open and steam comes out the overflow. By increasing the radiator cap to 1.8 kg/mm2, the radiator can handle 25.6 psi, while a 2.0 kg/mm2 cap ups the ante to 28.45 pounds. The higher the pressure, the longer the water in your radiator will resist boiling. Twin Air offers 1.8 radiator caps to replace the stock 1.1 caps on Hondas, Yamahas, Kawasakis and Suzukis. For KTMs and Husqvarnas, which come stock with 1.8 caps, they have a 2.0 cap, which is 176 kPa, 1.96 bar and 28.45 psi.
DIGITS: $24.95— www.twinair.com or your local dealer.
MXA RATING: Water cools the delicate internals of your expensive engine. If the water boils, you will have an expensive aluminum doorstop on your hands. Luckily, there are simple spring-loaded devices that can stop your bike from puking.
• MXA VIDEO: 2024 YAMAHA YZ450FX OFF-ROAD TEST
• 2024 TV SCHEDULE: AMA 250/450 NATIONALS AND THE THREE-ROUND SMX PLAYOFFSEndless ruts are a common theme at the AMA 250/450 Nationals. Here, Justin Cooper finds a smooth line on the outside..
NBC Sports, Peacock, NBC, USA & CNBC have announced the 2024 AMA Supercross Championship, AMA Outdoor National Championship and the SuperMotocross Playoffs (SMX) broadcast and streaming schedule. All 31 rounds across the series, including exclusive live coverage of qualifiers, heats, Main Events and Motos will be presented on Peacock, NBC, USA Network, CNBC, and NBC Sports digital platforms. The three Supermotocross playoffs rounds will will be held in Concord, North Carolina, Chicago, Illinois, and Las Vegas, Nevada, at automobile race tracks.
• MXA VIDEO: 2024 BETA 450RX TEST
• SEE THE COMPLETE 2024 RACE SCHEDULES
2024 AMA SUPERCROSS CHAMPIONSHIP
Jan. 6…Anaheim, CA
Jan. 13…San Francisco, CA
Jan. 20…San Diego, CA
Jan. 27, Anaheim, CA
Feb. 3…Detroit, MI
Feb. 10…Glendale, AZ
Feb. 24…Arlington, TX
Mar. 2…Daytona Beach, FL
Mar. 9…Birmingham, AL
Mar. 16…Indianapolis, IN
Mar. 23…Seattle, WA
Mar. 30…St. Louis, MO
Apr. 13…Foxborough, MA
Apr. 20…Nashville, TN
Apr. 27…Philadelphia, PA
May 4…Denver, CO
May 11…Salt Lake City, UT
2024 SUPERMOTOCROSS (SMX) PLAY-OFFS
Sept. 7…Concord, NC
Sept. 14…Fort Worth, TX
Sept. 21…Las Vegas, NV
2024 AMA NATIONAL MOTOCROSS CHAMPIONSHIP
May 25…Pala, CA
June 1…Hangtown, CA
June 8…Thunder Valley, CO
June 15…Mount Morris, PA
June 29…Southwick, MA
July 6…Red Bud, MI
July 13…Millville, MN
July 20…Washougal, WA
August 10…Unadilla, NY
August 17…Budds Creek, MD
August 24…Crawfordsville, IN
2024 FIM WORLD MOTOCROSS CHAMPIONSHIP
Mar. 10…Argentina
Mar. 24…Spain
Apr. 7…Sardinia
Apr. 14…Italy #1
May 5…Portugal
May 12…Spain
May 19…France
Jun. 2…Germany
Jun. 9…Latvia
June 16…Italy #2
June 30…Indonesia #1
July 7…Indonesia #2
July 21…Czech Republic
July. 28..Belgium
Aug. 11…Sweden
Aug. 18…Holland
Aug 25…Switzerland
Sept. 8… Turkey
Sept. 16…China
Sept. 29….Italy #3
2024 WORLD TWO-STROKE CHAMPIONSHIP
Apr. 19-20…Glen Helen, CA
LORETTA LYNN NATIONAL AMATEUR CHAMPIONSHIP
Jul. 29-Aug. 3…Hurricane Mills, TN
2024 MOTOCROSS DES NATION
Oct. 6…Matterley Basin, UK
2024 WORLD VET MOTOCROSS CHAMPIONSHIP
Nov. 2-3…Glen Helen, CA
2024 GNCC CHAMPIONSHIP
Feb. 17-18… Union, SC
Mar. 2-3…Palatka, FL
Mar. 23-24…Society Hills, SC
Apr. 13-14…Monterey, TN
Apr. 27-28…Crawfordsville, IN
May 11-12…St. Clairsville, OH
June 1-2…Mt. Morris, PA
June 22-23…Snowden, WV
Aug. 31/Sept.1…Newburg, WV
Sept. 14-15…Beckley, WV
Sept. 28-29…Millfield, OH
Oct. 26-27…Crawfordsville, IN
2024 WORCS CHAMPIONSHIP
Jan. 5-7…Taft, CA
Jan. 26-28…Glen Helen, CA
Feb 23-25…Marysville, CA
Mar. 15-17…Lake Havasu, AZ
Apr. 12-14…Blythe, CA
May 17-19…Cedar City, UT
Sept. 6-7…Glen Helen, CA
Oct. 4-6…Mesquite, NV
Nov. 1-3…Primm, NV
2024 DUTCH MASTERS OF MOTOCROSS
Mar. 17…Harfsen
Apr. 4…Oldebroek
Apr. 21…Markelo
2024 ADAC MX MASTERS
Apr. 21…Princely Drehna
Apr. 28th…Dreetz
May 26…Vellahn
Jun. 23…Bielstein
July 14,…Tensfeld
Aug. 4…Gaildorf
Sept. 1…TBA
Sept. 22…Holzgerlingen
2024 SATURDAY AT THE GLEN MOTOCROSS (UPDATED)
Jan. 13…Winter Series #1 (Arroyo track)
Jan. 20…Winter Series #2 (National track
Feb. 3…Winter Series #3 (Arroyo track)
Feb. 24…Winter Series #4 (Arroyo track)
Mar.16…Winter Series #5 (National track)
Mar. 23…Spring Series #1 (Arroyo track)
Apr. 13…Spring Series #2 (Arroyo track)
Apr. 20…Spring Series #3 (Arroyo track)
May 4…Spring Series #4 (National track)
May 11…Spring Series #5 (Arroyo track)
June 1…Summer Series #1 (Arroyo track)
June 15…Summer Series #2 (National track)
July 6…Summer Series #3 (Arroyo track)
July 20…Summer Series #4 (Arroyo track)
Aug. 3….Summer Series #5 (National track)
Aug. 24…Fall Series #1 (Arroyo track)
Aug. 31…Fall Series #2 (Arroyo track)
Sept. 14…Fall Series #3 (National track)
Oct. 5…Fall Series #4 (Arroyo track)
Oct. 19…Fall Series #5 (Arroyo track)
Oct. 26…Winter Series #1 (National track)
Nov. 16..Winter Series #2 (Arroyo track)
Nov. 23..Winter Series #3 (Arroyo track)
Dec. 7…Winter Series #4 (Arroyo track)
Dec. 21…Winter Series #5 (National track)
• MXA VIDEO: HONDA CR125, HONDA CR250 & AN ALL-NEW HONDA CR500 TWO-STROKES
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Photos Credits: Trevor Nelson, Debbi Tamietti, GasGas, Brian Converse, and MXA archives
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