Maxima PWC Marine 4T 10W40 Mineral Engine Oil – 1L | Case of 12 | Sea-Doo / Yamaha / Kawasaki | 14901

Maxima PWC Marine 4T 10W40 — mineral-based four-stroke engine oil formulated specifically for Personal Watercraft. Enhanced marine corrosion protection, shear-stable polymer system, and advanced anti-wear additive package for the sustained high-RPM demands of Sea-Doo, Yamaha WaveRunner, and Kawasaki Jet Ski 4-stroke engines. Case of 12 × 1L bottles. Ships fast across Canada and the US.

Why PWC Engines Need Marine-Specific Oil

PWC engines share the 4-stroke combustion principle with motorcycles and automobiles but operate in a fundamentally different environment that demands marine-specific oil formulation:

• Water ingestion and moisture exposure: PWC operate in an environment where water contact with the engine is unavoidable — spray, splash, and in capsize situations, direct submersion. Water that enters the crankcase or contacts engine internals accelerates corrosion on ferrous components. Maxima’s PWC Marine formula includes corrosion inhibitors and anti-rust additives specifically targeted at water contamination — providing a protective film on internal engine surfaces that standard motorcycle 4T oil does not offer at the same level.
• Salt and mineral water corrosion: Saltwater PWC operation — coastal, tidal, and ocean use — introduces highly corrosive salt ions into the engine environment. Saltwater accelerates galvanic corrosion on aluminium engine components and rust on any ferrous surfaces the oil contacts. Marine-specific oil formulations include enhanced salt-tolerant corrosion inhibitors that protect engine internals during operation and during lay-up after saltwater use.
• Seasonal lay-up protection: Canadian and northern US PWC operation is seasonal — machines sit unused for 5–7 months per year. During winter storage, moisture in the crankcase from the last season’s operation can cause significant internal corrosion if the oil’s corrosion inhibitor package is insufficient. The PWC Marine formula’s corrosion protection is engineered to maintain a protective oil film on internal surfaces throughout extended lay-up periods.
• Sustained high-RPM operation: PWC engines operate at consistently higher RPM under load than most motorcycle or automotive applications. A Sea-Doo RXP or Yamaha FX running at full throttle on open water holds near-redline RPM for extended periods — a thermal and shear stress profile that demands an oil formulation specifically evaluated for sustained high-RPM operation.

Shear-Stable Polymer System

The Maxima PWC Marine 4T uses a shear-stable polymer viscosity index improver — a technically specific claim relevant to the PWC application:

• Viscosity index improvers and shear degradation: Multi-grade oils (10W40) use polymer additives to maintain viscosity across a range of temperatures. Under sustained mechanical stress — particularly at high RPM in a loaded engine — these polymer chains can break (shear), reducing the oil’s high-temperature viscosity below its rated SAE 40 grade. An oil that begins a session as 10W40 but shears to a 10W30 or 10W20 equivalent under sustained PWC operation provides less protective film thickness at operating temperature.
• Shear-stable formulation: Maxima’s shear-stable polymer system uses polymer architectures that resist mechanical breakdown under sustained high-RPM shear stress. The oil maintains its 10W40 viscosity grade throughout an operating session — providing consistent film thickness and engine protection from launch to dock.

PWC Engine Application Coverage

Maxima 14901 is appropriate for 4-stroke PWC engines from the three major manufacturers:

• Sea-Doo / BRP (Rotax engines): Rotax 1503cc 4-stroke inline-4 (GTX, RXP, RXT, Wake series, Spark Trixx with larger engine variants), Rotax 1630cc ACE turbo (RXP-X, RXT-X 300). The Rotax 4-stroke engine series is the dominant PWC powerplant in North America and the primary application for marine 4T oil in the Canadian market.
• Yamaha WaveRunner (TR-1 / FR-1 engines): Yamaha TR-1 1049cc inline-3 (VX, EX series), FR-1 1812cc inline-4 (FX Cruiser, FX HO, GP1800R). Yamaha specifies 10W40 4-stroke PWC oil for all WaveRunner models.
• Kawasaki Jet Ski (JT series engines): Kawasaki 1498cc inline-4 (Ultra LX, STX-15F, STX-160). Kawasaki specifies 10W40 for standard operating conditions.

Always confirm your specific PWC model’s oil specification in the owner’s manual. Oil capacity varies by model — most 4-stroke PWC require 3–4L per oil change including filter replacement. A case of 12 × 1L covers 3–4 complete oil changes.

Case of 12 × 1L bottles. Mineral 4T engine oil — not synthetic. Marine-specific corrosion protection. Shear-stable polymer. 10W40. For Sea-Doo (Rotax), Yamaha WaveRunner, Kawasaki Jet Ski 4-stroke engines. Confirm engine oil specification in owner’s manual. 26.4 lbs per case.

Specifications

• Brand: Maxima Racing Oils
• Part Number: 14901
• Product: PWC Marine 4T Engine Oil
• Base oil type: Mineral (conventional)
• Viscosity grade: 10W40
• Volume per bottle: 1 litre
• Case quantity: 12 bottles (12L total)
• Application: 4-stroke Personal Watercraft — Sea-Doo, Yamaha WaveRunner, Kawasaki Jet Ski
• Marine corrosion protection: Yes — enhanced marine inhibitor package
• Polymer system: Shear-stable
• Case weight: 26.4 lbs