Fourth generation: 1997-2004
The 1997 XP was a marked departure from the previous models. An all new hull specific to the XP was developed which brought a "lean in" style of riding to the craft. Further enhancing this was Sea-Doo's "Direct Action Suspension," a raised seat that was mounted on a pivot and had a shock absorber at the opposite end. The 110HP 782cc engine was carried over, as was the predominantly yellow with black accents color scheme.[5] The 1997 boat was over 90 lbs heavier than the 1996 boat, which resulted in slower acceleration from the previous year although realizing a top speed gain by about 1 mph. Nonetheless, the riding experience was enough for the XP to win WaterCraft World's Watercraft of the Year award in 1997. For 1998, the power to weight issue was solved by the new XP Limited model. This craft was powered by a 951cc (called a Type 947) engine with reed valves on the intake and R.A.V.E. valves on the exhaust. The new engine produced 130HP and pushed the 1998 XP to 60 mph. Graphically, the lower hull, cowling, and handle pole cover were now black, and the hood and cowling pod were metallic gray.
The 1999 XP Limited mainly featured graphic changes, as the hull colorings remained unchanged from 1998. Many driveline upgrades were incorporated due to previous failures in the couplings.
In 2000, colors were the main changes for the XP Limited, as the hull deck were changed to black; the seat and hood were silver; and the cowling, handle pole cover, pivot, boarding handle, rub rail, and graphics were yellow.
2001 saw another color variation, with the hull remaining black while the top deck, hood, and seat became silver. The rub rail, pivots, and boarding handling were yellow, and the instrument pod and handle pole cover were black.
The 2002 XP Limited saw yet another graphic variation. The hood and boarding handle were black along with the hull, instrument pod, and handle pole cover; the deck remained silver; and the seat was now yellow along like the cowling and pivot points.
The "Limited" tag was dropped from 2003 and 2004 XPs and DI, for direct injection, was added. Orbital direct fuel injection was added to the 951 cc engine for improved fuel economy, performance, and emissions. The XP DIs were given a whole new color scheme: red hull, deck, cowling, and handle pole cover; black hood, pivots, rub rail, and boarding handle; and a silver seat.[3][6]