HPI Racing Savage 3.5 12881 Instruction Manual

HPI Racing Savage 3.5 12881 Race Kit manual cover
Pages 68
Year 0
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HPI Racing Savage 3.5 12881 Race Kit Specification

The HPI Racing Savage 3.5 12881 Race Kit is a high-performance remote-controlled monster truck designed for enthusiasts seeking durability and power in off-road racing. This kit features the robust Nitro Star 3.5 engine, which provides exceptional torque and acceleration, making it suitable for competitive racing environments. The engine is paired with a reliable Roto Start 2 system for easy and efficient starting.

The Savage 3.5 is built on a sturdy aluminum TVP (Twin Vertical Plate) chassis, which ensures rigidity and stability even under intense racing conditions. The design incorporates advanced suspension technology, utilizing eight long-stroke oil-filled shock absorbers that enhance its ability to handle rough terrains with ease. The four-wheel drive system, coupled with a high-torque steering servo, offers improved maneuverability and control, crucial for navigating challenging courses.

This race kit includes a two-speed transmission system that allows for seamless gear changes, optimizing performance across various speed ranges. The durable drivetrain components ensure reliability and longevity, reducing maintenance needs. The Savage 3.5 is equipped with oversized, all-terrain tires that provide excellent grip and traction, essential for maximizing performance on diverse surfaces.

The kit is customizable, allowing racers to tune the truck according to their specific preferences and track conditions. It comes with a streamlined and aerodynamic body shell that not only enhances its aesthetic appeal but also contributes to its stability at high speeds. The HPI Racing Savage 3.5 12881 Race Kit stands out as a formidable choice for serious racers, offering a blend of power, durability, and versatility tailored for high-adrenaline off-road racing.

HPI Racing Savage 3.5 12881 Race Kit F.A.Q.

How do I properly break in the engine of my HPI Racing Savage 3.5 12881 Race Kit?

To break in the engine, start by running the engine at a rich setting with the car's wheels off the ground. Perform several tanks of idling followed by gentle acceleration until the engine reaches normal running temperature. Gradually lean out the fuel mixture over the next few tanks while varying the throttle.

What is the recommended fuel for the Savage 3.5 engine?

Use high-quality nitro fuel with a 20-25% nitromethane content. Ensure the fuel is fresh and suitable for 2-stroke engines to maintain performance and longevity.

How can I tune the carburetor for optimal performance?

Adjust the high-speed needle to achieve a slightly rich peak RPM, then adjust the low-speed needle for smooth acceleration. Fine-tune the idle needle for stable idling without stalling.

What should I do if my Savage 3.5 won't start?

Check the glow plug to ensure it's functioning and replace if necessary. Verify the fuel lines for blockages or leaks, and ensure the carburetor is set to factory settings. Charge or replace the glow igniter and check the pull start mechanism.

How often should I perform maintenance on the Savage 3.5?

Basic maintenance should be carried out after every few runs. This includes cleaning the air filter, checking for loose screws, inspecting the drivetrain, and lubricating moving parts. A thorough inspection and cleaning should be done every 10-15 runs.

What is the correct way to store my Savage 3.5 when not in use?

Clean the vehicle thoroughly and remove any residual fuel from the tank and engine. Store the car in a cool, dry place. Disconnect the batteries from the receiver and transmitter to prevent leakage or damage.

How do I replace the clutch bell on the Savage 3.5?

Remove the engine from the chassis, then detach the clutch bell by removing the securing screw or nut. Slide off the old clutch bell and replace it with a new one, ensuring the bearings are correctly seated. Reattach using the screw or nut and reinstall the engine.

What are common signs of a failing servo in the Savage 3.5?

Common signs include sluggish or erratic steering response, abnormal noises, and the inability to hold a position. Check for physical damage and ensure the servo is receiving adequate power.

How can I improve the suspension performance on my Savage 3.5?

Adjust the shock oil viscosity and spring tension to suit your driving conditions. Softer oil and springs are better for rough terrains, while stiffer setups work well on smooth surfaces. Regularly check for leaks and replace worn components.

What are the steps to troubleshoot a slipping transmission on the Savage 3.5?

Inspect the slipper clutch for wear and adjust the tension if necessary. Check the gear mesh between the spur gear and clutch bell. Ensure there are no stripped gears or debris causing interference.