PRO GuIDe
Akrapovic - YZ450F
Akrapovic ' s latest product for the off-road world is a race-inspired Evolution Line ( titanium ) exhaust for the 2023 Yamaha YZ450F . " Designed by the Akrapovic engineers working in close collaboration with the Monster Energy Yamaha Factory MXGP Team has resulted in an exhaust almost identical to the specifications for the one the Monster Energy Yamaha Factory MXGP Team will be
racing with in the 2023 Motocross World Championship season . " The tailor-made design has been sculpted to fit within the limited space on the motorcycle , but it still follows the principle of being the largest that the space will permit , allowing increased sound silencing and reduced restrictions for improved exhaust gas flow ". Constructed completely from lightweight , highgrade titanium alloys - for a weight saving of 20.4 % ( 0.9 kg ) over the standard exhaust - " this system combines performance and durability for the extremes of off-road racing . It features different thicknesses in the sections to ensure perfect protection and to reduce overall weight , allowing the added strength created by the design to provide enhanced resilience in the most demanding
A newly profiled surface enables the sound to meet the FIM noise limits for competition , adding strength and durability to the muffler while delivering a deep , full sound that embraces the balanced pulse of the single-cylinder engine . An integrated resonance chamber optimises performance . This product does not meet emission compliance requirements for street or on-highway use .
AKRAPOVIC Ivancna Gorica , SLOVENIA Tel : + 386 ( 0 ) 1787 8404 info @ akrapovic . com www . akrapovic . com
" No Jacket Required "
Designed to be worn on its own with " No Jacket Required ", the Urbane Pro Mk3 by Knox " is the ultimate impact and abrasion-resistant motorcycle armoured shirt - a Class AA CE-approved protective garment , for all riders , no matter what motorcycle or terrain they ride . " Worn close to the body , the armour won ' t move around , so it ' s always where it is needed , when it is needed . No question , this is a most versatile , lightweight , breathable and comfortable armoured shirt for riding in the heat - that is the way we designed it . When the weather turns cold or wet , simply add Knox Seasonless Layers , so you can continue to use it all year round ". The Mk3 has even more performance than the prior versions and is packed with extra features and pockets . It is fitted with thinner , lighter and more flexible Level 2 Micro-Lock Compact in the back , shoulders and elbows . It is CE-approved as a standalone " Class AA " garment with approved abrasion resistance built in , meaning an outer shell is no longer necessary unless you want to wear one . The Mk3 design aesthetic has been refined , but the abrasion resistance , superior stretch comfort , light weight and breathability remain as good , if not better . The pocket layout has practical zipped pockets on the front with a visor wipe and an internal chest phone pocket , with an additional pocket for storing ear plugs and improved internal pocket options . The neck and cuffs have a new , soft , comfortable binding . There is a front placket with embossed branding for an extra feel of luxury and comfort on the neck and new , innovative reflective piping and security belt loops . " In changing weather conditions just add warm or
42 IDN - AUGUST / SEPTEMBER 2023 conditions . " It offers a heightened response through the entire rev range and an optimum feeling when the throttle is opened , giving the rider appreciation of control . The power and torque levels have been increased by an extra 1.8 kW ( 2.4 hp ) at 10,600 rpm on the inhouse dyno and 1.5 Nm at 10,500 rpm in back-to-back tests as recorded against a standard stock exhaust system ".
waterproof layers , knowing that the Urbane Pro Mk3 is still the core abrasion and armour layer beneath . It has been designed to work seamlessly with all styles in the Knox Seasonless Collection and is also available as the Urbane Pro Utility Mk3 . For those adventurous riders who go further and want more storage - the Mk3 Utility is the correct choice with its five exterior utility-style pockets and two inner pockets ". Available in men ' s and women ' s styles , the Urbane Pro Mk3 is part of the Knox Seasonless Collection - " a collection that can be used at any time of year ,
with riders able to add more or less layers as they need or mix them however they want - start with core protection and add or subtract layers to adapt and overcome all conditions . The range is designed to work perfectly together as one or separately for yearround comfort and protection ".
PLANET KNOX Cockermouth , Cumbria , UK Tel : + 44 ( 0 ) 1900 825825 sales @ planet-knox . com www . planet-knox . com www . idnmag . com