Tag Archives: fourstroke

Cars

How Durable Are Diesels Compared To Gas Engines?

Both diesel and gasoline are what we name four-stroke engines. This means the piston strikes throughout the cylinder 4 instances to finish a cycle. The first stroke is an consumption stroke, then comes a compression stroke, adopted by combustion and exhaust. However, the distinction between gasoline and diesel is {that a} gasoline engine wants spark plugs to combust. Meanwhile, a diesel engine makes use of the compressed air from the compression stroke for spontaneous combustion.

More compression means extra energy. Diesel engines get extra compression as a result of diesel is much less vulnerable to untimely ignition. This permits the piston to journey additional and the cylinders to be constructed taller, producing extra energy and torque from the combustion stroke. When you examine the area within the cylinder when the piston is on the backside of its stroke to when it is on the prime of its stroke, you get the compression ratio (CR).

So, a ten:1 CR signifies that the amount within the cylinder when the piston is on the Bottom Dead Center (BDC) is 10 instances that on the Top Dead Center (TDC). Diesel engines sometimes have a compression ratio between 15 and 20, whereas gasoline has 8 to 10.

Because diesels have a excessive compression ratio, their engines want stronger, heavier parts, favoring grey forged iron as an alternative of metal. Combined with how far the piston should journey, these parts make diesel engines slower, nevertheless it interprets to extra energy and larger sturdiness.

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2024 HUSQVARNA ENDURO PRO MODELS ANNOUNCED

Husqvarna has surprised the off-road community by unveiling two new models for the 2024 lineup. The TE 300 Pro is a two-stroke bike, while the FE 350 Pro is a four-stroke model. Both bikes are based on the existing TE and FE platforms offered by Husqvarna, but they feature distinctive styling and upgraded components. This move is similar to what KTM did earlier this year with their off-road lineup. The official press release and images from Husqvarna can be found below:

Husqvarna Motorcycles has unveiled its 2024 TE and FE Pro enduro lineup, featuring the TE 300 two-stroke and FE 350 four-stroke models. These bikes have been specifically designed to give experienced and ambitious enduro riders the edge they need to excel in high-level competition.

For 2024, both the TE 300 Pro and FE 350 Pro have been completely redesigned with new frames, subframes, bodywork, suspension, brakes, and a range of engine refinements. These Pro models boast a host of innovative features designed to improve overall rideability and deliver exceptional performance. Riders will appreciate the technical enhancements made to both bikes.

Thanks to the new, enduro-specific WP suspension, riders can confidently tackle technical sections with precise control. The WP XACT Closed Cartridge fork is equipped with a mid-valve piston for smooth action and consistent performance, while a hydrostop in the final 68 mm of travel helps maintain momentum. The redesigned WP XACT shock features a new piston for improved compliance, weighing 100 g less and measuring 15 mm shorter, while still offering 300 mm of travel. Both the fork and shock can be easily adjusted by hand for personalized settings.

The redesigned bodywork of the TE 300 Pro and FE 350 Pro features modern Swedish-inspired graphics and a high-grip seat cover. The revised chassis offers an improved ergonomic rider triangle for better control and increased knee contact. The slimline bodywork allows for unrestricted movement when standing up, and the new LED headlight has a more efficient and user-friendly mounting system, producing brighter illumination.

The TE 300 Pro is powered by Husqvarna’s Throttle Body Injection (TBI) technology, while the FE 350 Pro boasts a new and more compact DOHC engine. The engine in the FE 350 Pro has been tilted back two degrees in the frame for better weight distribution and improved anti-squat characteristics. Additionally, major engine components have been centrally positioned to enhance handling and maximize torque and power.

Advanced electronics elevate the riding experience of both models. The Engine Management System (EMS) allows for two pre-set riding maps that can be selected to match different terrains, with each gear offering custom power delivery. The FE 350 Pro also features additional rider aids such as Traction Control and a Quickshifter for smooth upshifts, even under heavy load.

The TE 300 Pro and FE 350 Pro demonstrate Husqvarna Motorcycles’ commitment to premium components. Both bikes are equipped with a new LED headlight, Brembo hydraulic clutch and brake systems with high-performance GALFER discs, a combined Start/Stop button, a new Factory Racing wheel-set featuring high-strength EXCEL Takasago rims, ProTaper handlebars, and Michelin enduro tires. These top-of-the-line features position the Pro models at the forefront of their class.

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2024 HONDA FOUR-STROKE MODELS ANNOUNCED

Honda has announced its complete line of 2024 performance CRF four-stroke models, as well as the CRF Trail-Family models. Check out the official photos and information on each model below:

Honda’s iconic line of CRF Performance and Trail dirt bikes is returning for the 2024 model year after an incredibly successful AMA Supercross season. The CRF Performance lineup includes models such as the CRF450R, CRF450RWE, CRF450R-S, CRF450RX, CRF450X, CRF450RL, CRF250R, CRF250RX, and CRF150R, which are designed for elite-level motocross riding and racing. For riders looking for a more relaxed and beginner-friendly experience, the CRF Trail family offers models like the CRF250F, CRF125F, CRF110F, and CRF50F, which provide user-friendly design, reliability, and hours of fun. In addition to the CRF models, Honda is also introducing the CB300R sport-naked bike and the Pioneer 700 multipurpose side-by-side.

Brandon Wilson, American Honda Manager of Sports & Experiential, said, “It’s been an unprecedented year for Honda and the CRF Performance line. Team Honda HRC has showcased just how capable Honda’s dirt bikes are, and the knowledge gained from our championship-winning racing efforts trickles down to every model in the lineup.”

2024 CRF450R
Fresh off a successful season in AMA Supercross and Motocross racing, the CRF450R offers elite-level motocross performance. It features a 449.8cc Unicam engine, a 44mm throttle body, and premium Showa suspension. The CRF450R is known for its agility and ability to handle tight corners effortlessly.

  • MSRP: $9,699
  • Color: Red
  • Available: July
  • Info

2024 CRF450RWE
The CRF450RWE (“Works Edition”) is a special-edition version of the CRF450R that features upgrades tested and proven on Team Honda HRC’s factory race machines. It offers efficient power delivery and precise handling.

  • MSRP: $12,499
  • Color: Red
  • Available: September
  • Info

2024 CRF450R-S
The CRF450R-S is a value-oriented model based on the 2022 CRF450R. It offers the same power and cornering capabilities at a more affordable price point.

  • MSRP: $8,899
  • Color: Red
  • Available: August
  • Info

2024 CRF450RX
The CRF450RX is a closed-course, off-road weapon designed for high-speed racing and performance in tough conditions. It features dedicated off-road suspension settings, an 18-inch rear wheel, and a large fuel tank.

  • MSRP: $9,999
  • Color: Red
  • Available: July
  • Info

2024 CRF450X
The CRF450X is a trail machine designed for off-road racing and recreational riding. It offers a 50-state year-round off-road-legal status and features off-road appropriate components like a headlight, sealed chain, and a six-speed transmission.

  • MSRP: $9,899
  • Color: Red
  • Available: September
  • Info

2024 CRF450RL
The CRF450RL is a dual-sport machine that combines off-road performance with street-legal features. It features a quiet muffler, a urethane-injected swingarm, and a wide-ratio six-speed transmission, making it ideal for both on- and off-road riding.

  • MSRP: $10,099
  • Color: Red
  • Available: October
  • Info

2024 CRF250R
The CRF250R has established itself as a top contender in the motocross world, with recent victories in Supercross. It offers exceptional handling, strong acceleration, and durability. It’s the perfect choice for racers looking to succeed on the track.

  • MSRP: $8,299
  • Color: Red
  • Available: July
  • Info

2024 CRF250RX
The CRF250RX is based on the championship-winning CRF250R platform and is designed for closed-course off-road applications. It features suspension and power delivery tailored for off-road racing, making it ideal for various competitions and trail riding.

  • MSRP: $8,699
  • Color: Red
  • Available: July
  • Info

2024 CRF150R
The CRF150R is the perfect choice for aspiring young motocross racers. It is available in standard and Big Wheel versions, with the latter offering a larger seat, wheels, and more rear-suspension travel. It features Showa suspension and a smooth four-stroke engine.

  • MSRP:
    • CRF150R: $5,399
    • CRF150RB (Big Wheel): $5,599
  • Color: Red
  • Available: August
  • Info

2024 CRF250F
The CRF250F is a versatile trail bike suitable for riders of all skill levels. It features smooth power delivery, comfortable suspension, and a sleek design inspired by Honda’s CRF Performance line. It is year-round off-road-legal in all 50 states.

  • MSRP: $4,999
  • Color: Red
  • Available: September
  • Info

2024 CRF125F
The CRF125F is a perfect entry-level motorcycle for young riders and first-time trail enthusiasts. It offers a comfortable and reliable performance, with features like Showa suspension and a smooth four-stroke engine. It is available in standard and Big Wheel versions.

  • MSRP
    • CRF125F: $3,499
    • CRF125FB (Big Wheel): $3,899
  • Color: Red
  • Available: July
  • Info

2024 CRF110F
The CRF110F is a popular model known for its approachable nature, reliability, and performance. It features an automatic clutch, low seat height, and push-button electric start, making it perfect for young riders and first-time trail enthusiasts. It is available in both Red and White colors.

  • MSRP: $2,699
  • Colors: Red, White
  • Available: July
  • Info

2024 CRF50F
The CRF50F is an ideal first motorcycle for young riders. It features a single shock, an inverted fork, and a reliable 49cc air-cooled four-stroke engine. It has an automatic clutch and a low seat height, making it perfect for learning the basics of riding. It is the industry’s top-selling 50-class trail bike.

  • MSRP: $1,799
  • Colors: Red, White
  • Available: July
  • Info

2024 CB300R
The CB300R is an entry-level sport-naked bike that offers a lightweight and minimalist design with impressive performance. It features a sleek look and premium features, making it an affordable and approachable option for riders looking for a sporty ride.

  • MSRP: $5,149
  • Colors: Matte Black Metallic, Pearl Dusk Yellow
  • Available: July
  • Info

2024 Pioneer 700
The Pioneer 700 is a versatile multipurpose side-by-side that offers load-carrying capacity combined with maneuverability. It is available in three trim levels and offers something for everyone, from tough jobs on the ranch to adventurous trail rides.

  • MSRP
    • Pioneer 700-4 Forest: $16,999
    • Pioneer 700-4 Deluxe: $14,999
    • Pioneer 700-4: $13,399
    • Pioneer 700 Forest: $15,499
    • Pioneer 700 Deluxe: $13,499
    • Pioneer 700: $11,899
  • Colors
    • Pioneer 700-4 Forest: Honda Phantom Camo
    • Pioneer 700-4 Deluxe: Avenger Red, Krypton Green
    • Pioneer 700-4: Avenger Red, Black Forest Green, Sandstone Beige
    • Pioneer 700 Forest: Honda Phantom Camo
    • Pioneer 700 Deluxe: Avenger Red, Krypton Green
    • Pioneer 700: Avenger Red, Black Forest Green, Sandstone Beige
  • Available:
    • Pioneer 700-4 Forest: July
    • Pioneer 700-4 Deluxe: August
    • Pioneer 700-4: July
    • Pioneer 700 Forest: July
    • Pioneer 700 Deluxe: August
    • Pioneer 700: July