Browsing Tag

four-stroke

2022 SHERCO ENDURO LINE

Sherco has just revealed its 2022 line of off-road motorcycles. The French company will again feature two-strokes and four-strokes in several displacements. Internationally, Sherco divides its products into two different lines: the…
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TM EN250Fi TWIN PIPE: FULL TEST

Some motorcycles are tools; machines designed with simplicity of purpose to deliver a desired result. A motorcycle like the TM EN250Fi four-stroke is much more. It’s a product of passion and a statement of identity. If the people at TM…
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2021 HUSQVARNA FC450 FIRST RIDE: 2021 VIDEO SERIES

Dirt Bike Magazine went out to Glen Helen Raceway to throw a leg over the new 2021 Husqvarna FC450. Yes, this bike has new graphics and some small internal engine changes to increase durability but the big story on the 2021 Husqvarna is in…
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2021 KAWASAKI KX450 FIRST RIDE: 2021 VIDEO SERIES

The Kawasaki KX450 is the first of the 2021 models to arrive and we have already spent a day testing it. The bike might look unchanged, but it has a number of welcome improvements. The most significant is the redesign of the clutch; it now…
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FOUR-STROKE ENGINE REBUILD TIPS: MR. KNOW-IT-ALL

Dear Mr K I'm a two stroke guy who hasn't owned a two-stroke in years. Somewhere I gave in to peer pressure and got a used Suzuki RM-Z250. Unfortunately, I love it. It's unfortunate, because I have now ridden it for over 250 hours with…
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FMF KAWASAKI KX250F BUILD: PROJECT BIKE SPOTLIGHT

On this week's 4-Stroke Project Bike Spotlight we take a look back at a sweet Kawasaki KX250F we built with the Flying Machine Factory and Jay "Clark Kent" Clark. We packed Thumper Theater with four project bikes for your viewing pleasure…
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2020 YAMAHA YZ250FX: FULL TEST

We’ve said it many times: Motocross bikes make poor trail bikes. That’s why we haven’t jumped on the bandwagon to heap praise on “closed-course, competition off-road bikes” such as the Honda CRF450RX, the Yamaha YZ450FX and the KTM 450XC-F.…
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2007 HONDA CRF160R PROJECT: THUMPER THURSDAY

Welcome to Dirt Bike Magazines Thumper Thursday where it's all about 4-Strokes! This week we are giving you an exclusive first look at our 2007 Honda CRF160R big-bore project with the crew at Cylinderworks. We packed 4-Stroke Theater full…
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2020 HONDA CRF250RX: FULL TEST

Last year the Honda CRF250RX came out in direct response to KTM’s on-going takeover in the American off-road market. The old Honda plan would have been to keep on making bikes like the CRF250X--meaning quiet, clean, responsible and boring.…
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2020 YAMAHA YZ250F: FULL TEST

Yamaha got back into the game in a big way last year. The YZ250F had been eclipsed by faster, lighter electric-start bikes, and despite a solid run of pro motocross success, it had been saddled with the stinging title of “Good Novice Bike.”…
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2020 HONDA CRF250R: FULL TEST

Back in 2018, Honda released a CRF250R that was almost the complete opposite of the previous model. The new model liked to be revved, with the power all up top. Honda changed its image in the 250 class almost overnight from…
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2020 SUZUKI RM-Z450: FULL TEST

 Suzuki has a reputation for finding a platform it likes and keeping it relatively unchanged for several years. The 2020 RM-Z450 model is a perfect case in point. Literally, the only change Suzuki made to the machine was cosmetic color…
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2020 YAMAHA YZ450F: FULL TEST

Yamaha is deeper into the digital age than anyone, and the 2020 YZ450F has a mixture of new hardware and software to bring it into the new decade. Externally, the bike looks as it has since the really big makeover of 2018. That was when it…
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2020 KTM 450SX-F: FULL TEST

At one time, the KTM 450SX-F went through a period when it was searching for its identity. Then KTM settled on a formula that was then repeated again and again. It was light, powerful and smooth. It was technologically sophisticated without…
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