2008 Yamaha r6 Complete Engine (16,495 miles)

The 2008 Yamaha YZF-R6 Complete Engine (with only 16,495 miles) is a legendary high-revving powerhouse from one of the most aggressive supersport eras, pulled from Yamaha’s iconic middleweight track weapon. This is the fully dressed, running complete engine (often called a “long block” or full motor assembly), including the crankcases, cylinder head, pistons, crankshaft, transmission, clutch assembly, and all internal components—ready for installation into a 2008-2016 R6 chassis (compatible across those years with minor variations).

At the heart of the 2008 R6 is Yamaha’s advanced 599cc liquid-cooled, DOHC, inline four-cylinder engine with 16 titanium valves, featuring a high 13.1:1 compression ratio for explosive performance. It boasts an oversquare bore x stroke of 67 mm x 42.5 mm, enabling that signature high-rev scream. The engine redlines at an astonishing 16,000 rpm, delivering peak power around 129-133 hp (claimed crankshaft, with real-world dyno figures often in the 115-130 hp range depending on tuning/exhaust) at 14,500 rpm, and torque in the 45-50 ft-lb range peaking near 11,000 rpm. With ram-air induction and aftermarket tuning/exhaust, it easily pushes well beyond stock figures, feeling like a two-stroke in the upper revs.

What makes the ’08 model special is Yamaha’s cutting-edge tech: YCC-I (Yamaha Chip Controlled Intake) with variable-length intake trumpets that switch automatically for optimized midrange punch and top-end rush, paired with YCC-T ride-by-wire throttle for precise, glitch-free response and enhanced stability under hard braking/corner entry. This was a revolutionary setup in 2008, making the engine incredibly responsive and potent across the rev range—perfect for track days, canyon carving, or street ripping.

With just 16,495 miles, this low-mileage example is well below average for these engines, which are known for exceptional durability when maintained properly (many last 50,000-100,000+ miles with good oil changes and valve checks). The 2008-2016 R6 motors are generally reliable, though common watch-outs include valve clearance checks (exhaust valves can tighten over time), fork seals on the bike side (not engine-related), and avoiding abuse from wheelies/hard launches that stress 2nd gear. At this mileage, assuming no major abuse or crash history, it’s in prime condition—fresh enough to feel snappy and strong, with plenty of life left for years of hard riding.

This engine is a drop-in gem for any R6 rebuild, swap, or track bike project. It comes as a complete unit, typically including the oil filter housing, water pump, starter, alternator, and shift drum—everything needed to bolt in and fire up (accessories like carbs/throttle bodies, exhaust manifold, etc., may vary by seller listing). If you’re chasing that iconic high-rev howl and razor-sharp throttle response that made the 2008 R6 a legend, this low-mile gem delivers it in spades. Serious performance in a compact, lightweight package—pure supersport adrenaline.