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hot cams

MXA TEAM TESTED: HOT CAMS STAGE 1/STAGE 2 KX450F CAMSHAFTS

WHAT IS IT? The best way to modify your four-stroke’s powerband is with different intake and exhaust camshafts. Hot Cams offers two different KX450F camshaft pairs—Stage 1 and Stage 2. They fit 2009–2014 Kawasaki KX450Fs. WHAT’S IT COST? $179.95 (Stage 1/Stage 2 intake), $199.95 (Stage 1/Stage 2 exhaust). CONTACT? www.hotcamsinc.com or (515) 402-8005. WHAT STANDS OUT? Here’s a […]

WE RIDE CYLINDER WORKS’ BIG-BORE HONDA CRF501

When it comes to building or rebuilding a Honda CRF450 , the MXA wrecking crew has several options. First, we could go with OEM-spec engine parts for a freshly rebuilt 450cc engine. This is the most common rebuild, and it breathes new life into a tired warhorse. Second, we could take the opportunity during the rebuild phase to add a little extra oomph to our CRF450 by going to a fairly straight-forward big-bore 470cc kit with a new cylinder, rings and piston. We could have done either of these things, b…

MXA TEAM TESTED: HOT?CAMS?SHIM?KIT/REFILL PACKS

WHAT IS IT? After oil changes, checking valve adjustment is the next step in periodic engine maintenance. Hot Cams? kit is a convenient and cost-effective product for do-it-yourself engine maintenance. WHAT’S IT COST? $59.95 to $89.95. CONTACT? www.hotcamsinc.com or (515) 402-8005. WHAT STANDS OUT? Here’s a list of things that stand out with Hot Cams? shim kit. (1) Material. Hot Cams? shims are manufactured from cold-rolled 4140 steel. Most engine builders report that KTM OEM shims wear faster than Japa…

WE TEST HOT CAMS’ YAMAHA YZ450F MOTOCROSS BIKE:

You are forgiven if you are a Honda CRF450, Kawasaki KX450F or KTM 450SXF owner and you don?t give a twit about hopped-up Yamaha YZ450Fs. You may be thinking, ?Yamaha? I don?t own a Yamaha and don?t want to read about them.? But, you know deep down inside your insecure heart that you do want to know everything there is to know about the 2010 Yamaha YZ450F. Why? Because that is your competition. The YZ450F was all-new in 2010, and every racer, on every brand, has to wonder if the YZ450F’s backwards cylin…