Take a Ride Around the Milestone MX Track

Lindsay Premo|Apr 22, 2019 1:54 PM

Hunter and Jett Lawrence have had quite the journey to American motocross.

After following the path of other successful Aussie riders like Chad Reed and Andrew McFarlane, they traveled to Europe to transition their careers to a larger scale, eventually landing on the AMSOIL/Honda and GEICO/Honda teams for the 2019 season. With his Supercross season delayed by a broken collarbone, Hunter Lawrence decided to get some laps in at the AMSOIL West Coast Open Swap Moto Race Series. With little brother Jett tagging along, the two went bar-to-bar this past Sunday on the main track. Meanwhile, over on the amateur track, the Pee Wees were ripping it up, with an all-out battle to the finish line.

Swap Moto Race Series

AMSOIL is the presenting sponsor of the Swap Moto Race Series. Formerly knowns as Transworld Motocross Race Series, the Swap Moto Race Series runs a unique two-track format, which shortens the race day for riders in its 60-plus classes. The series also boasts free transponders and low entry fees. Consisting of three separate “mini series” (West Coast Open, Terra Firma, Fall Classic), the entire series runs from January through December. Racers travel to some of the most notable tracks in Southern California. Check out a series schedule here.

Check out last weekend’s track setup at Milestone MX Park below.

This past weekend we took a trip out to California to check out the third round of the AMSOIL West Coast Open at Milestone MX. We caught up with the Lawrence brothers, checked out some racing on both tracks and learned a little more about what the series has to offer. Head on over to our Instagram to check out our highlights from our visit.

Shop AMSOIL Dirt Bike products

As a part of our sponsorship with the series, AMSOIL will be offering contingency at the end of each of the three mini series. Gift certificates will be awarded for eligible classes for first through fifth place in the following amounts:

1st	$200.00 and a Preferred Racer Membership
2nd	$150.00 and a Preferred Racer Membership
3rd	$75.00 and a Preferred Racer Membership
4th	$50.00 and a Preferred Racer Membership
5th	$50.00 and a Preferred Racer Membership

At the end of the day after about 40 classes had finished their motos, the Lawrence brothers went one/two (Hunter, Jett) in the 250F class. The brothers had some competition in the Pro Open (125-450) class, with Hunter finishing in second and Jett in third.

Be sure to tune into our Facebook, Instagram and Twitter to see where we’re off to next.

We’ll see you at the races!

Engine Knock Kills Performance: How to Protect Your Motorcycle

Some modern motorcycles are equipped with a knock sensor that adjusts timing to compensate for low-octane gasoline and eliminate engine knock. Unfortunately, when timing is adjusted, you may experience…

Rough idle
Lack of throttle response

Many bikers don’t even know this is occurring. Understanding engine knock, also known as detonation or pre-ignition, requires an understanding of octane, which is a standard measure of gasoline performance.

The three most common octane ratings include:

Anti-Knock Index (AKI)
Research Octane Number (RON)
Motor Octane Number (MON)

AKI is the rating most bikers are familiar with. It’s typically displayed on gas pumps as the average of the fuel’s RON and MON. RON, however, is the most common industry rating.

Engine knock can cause piston damage

Gasoline’s RON is generally a few numbers higher than the AKI posted on the gas pump (e.g. 87 octane fuel, or regular pump gas, has a RON of about 91-92). The higher the octane, the more compression the fuel can withstand before igniting. Low-octane gas is susceptible to uncontrolled and early ignition in the combustion chamber. It causes a knocking or pinging sound, robs the engine of power and, left unchecked, can cause catastrophic piston damage.

Engine knock may be eliminated by using a higher-octane fuel. Alternatively, you can use a fuel additive designed to raise the fuel’s octane number.

Boost Octane and maximize power and efficiency

AMSOIL Motorcycle Octane Boost increases octane up to three numbers, which eliminates knock or ping and maximizes power and efficiency.

An easy solution for engine detuning

Motorcycle Octane Boost offers a low-cost solution to engine detuning and helps maximize bike power and performance. It offers the
added benefits of maintaining engine and fuel-system cleanliness, with active detergents that help prevent deposits for improved efficiency.

AMSOIL Octane Boost

Maximizes power and efficiency
Improves startup performance
Eliminates engine ping or knock

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Tag: motorcycles