Shut off engine first, then turn off receiver switch and turn off transmitter last. After running Savage X 4.6 RTR, it is necessary to perform routine maintenance. Failure to do this can result in increased wear and damage to the engine and chassis.
Charger for Battery Pack 7.2 Volt This charger is 70332 powered by a Glow Plug Wrench standard 12V lighter socket. 74151 74318/74348 (US) This charger HPI Racing Temp Gun designed for 38704/38705 (JP) Ni-MH battery. Glow Fuel Necessary for maintenance Z950 Z164 9062 (US,EU)
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Chassis Details Receiver Antenna Fuel Tank Roll Bar Engine Receiver Switch Rear Gear Box Brake Wheel Nut Center Gear Box Drive Shaft Front Gear Box Radio Box Shock Wheel Hub Engine Details Glow Plug Fuel Tube Pressure Tube Fuel Tank Cap Air Filter Exhaust Pipe Fuel Tank...
Start Up Guide Please read the instructions before running. Preparation for Running Body Removal Receiver Battery 6123 7768 Attention AA Alkaline Batteries Only use alkaline batteries in the receiver. 6123 Body Pin 6123 Optional Battery For extended running, we recommend #2012 Hump Battery Pack. 2012 Hump Battery Pack For Receiver (6V 1200mAh/Ni-MH) Receiver Battery Installation...
HPI Roto Start System Preparation Roto Start makes engine starting easier. You must charge the battery before use. Roto Start Details Switch Switch Cover Battery Lid Circuit Breaker Roto Start Unit If engine locks, the circuit breaker will stop the Roto Start.
How to Use Roto Start Insert starter shaft into engine back plate. Press down the switch to crank the engine. If engine locks, the circuit breaker will stop the Roto Start. Remove Roto Start and check engine for flooding or damage.
Transmitter Preparation (HPI TF-3 AM 2ch) Battery Level Indicator Antenna AM 27MHzTransmitter Crystal (TX) Extend the antenna to the maximum Good Batteries AM Transmitter crystal (TX) AM Receiver crystal (RX) length for best performance. Low Batteries The crystal can be replaced to change frequencies. Note: You must also change receiver crystals! Do not use FM crystals Reverse Switch...
How To Control R/C Models Activating R/C Unit Make sure no one else is using the same radio frequency as you are using. Check the radio Turn on transmitter first, then turn on receiver. system and range before every driving session. To properly check the range, have a friend hold the R/C car with the engine off and walk to the farthest distance that you plan to operate your R/C car.
Linkage Setup Important If throttle linkage is not set up correctly the car may lose control after Trim adjusts neutral position of servo. the engine is started. Make adjustments with the engine off. Steering Trim Setup Turn steering trim to set tires in Steering trim completely centered position.
Starting Engine and Break In These instructions will explain the running procedure, how to prepare the car, turn on radio equipment, start the engine, break in the engine, shut off the engine, and shut off the radio equipment. When starting the engine for the first time, you must perform the break in procedure. Make sure no one is using the same frequency.
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Step 5 Glow Plug and Starter Attach the glow igniter to the glow plug. Start the engine by Glow Plug Igniter Do not use the Roto Start continuously for more cranking with the Roto Start. Remove the glow igniter as soon than 5 seconds at a time.
Safe Range More Fuel = Rich 210°F ( 99°C ) 74151 Rich Fuel Mixture HPI Racing Temp Gun A slightly rich fuel mixture delivers a cooler running 190°F ( 90°C ) temperature and more lubrication but with slightly less power and longer engine life.
Fuel Mixture Tuning Tips Following the tuning steps, tune the engine until its maximum performance is reached. While a lean motor will have higher performance, it can lead to premature engine wear or failure. Use the following information to tune your engine to your driving conditions. Remember a slightly rich setting is a safer setting.
2-10 Carburetor Factory Setting (Break In Setting) Idle Adjustment Screw High Speed Needle, Idle Adjustment Screw and Low Speed Needle are designed to be set flush with the carburetor body. This makes it easy to High Speed Needle reset the carburetor to the Factory Break In Setting if needed. Attention Flush When needle is over tightened , the...
2-12 Troubleshooting If R/C car does not move or you have no control, see below. Problem Cause Solution Section Engine Does Not Start. Out of fuel. Fill the tank with fuel and prime engine. Air filter is blocked. Check air filter, clean or replace if necessary. Glow plug igniter not charged.
Maintenance After running you should clean the chassis and perform routine maintenance to keep the car in good running order. Necessary for Maintenance 9062 (US,EU) Needle Nosed Pliers Thread Lock Z164 9063 (JP) Grease Nitro Car Cleaner Screwdriver 39014 (JP) Oil Spray 30035 (JP)
Chassis Maintenance After running, clean the car and lubricate these points. Replace damaged parts, check that all the screws are tight. Oil Spray Screwdriver Brush Wheel Maintenance Wheel Removal and Installation Use 17mm glow plug wrench to remove and install wheels. Z260 PIN 2.5x12mm 87546...
Air Filter Maintenance Proper Air Filter Maintenance Dirt is the biggest enemy of a nitro engine and proper air filter maintenance is one of most important factors that will affect your engines longevity. We recommend cleaning the element after every run. It is always a good habit to check the element after every run to make sure it is properly seated in the filter body and that the body is fully seated on the carburetor.
Radio Maintenance Transmitter The crystal can be replaced to change frequencies. Do not use same frequency as other cars. Transmitter antenna must be extended. AM Transmitter crystal (TX) Battery level indicator AM Transmitter crystal (TX) AM Receiver crystal (RX) Good Batteries Do not use FM crystals.
2 Speed Setup 2 Speed Setup You can adjust the shift point by turning the screw. Allen Wrench Z904 2.0mm Counter clockwise for earlier gear shift. Clockwise for later gear shift. Attention Always stop your engine before making adjustment. Make your adjustments in 1/4 turn increments.
Engine and Fuel Tank Maintenance Refer to Exploded View 5-1 5-4 Fuel Tank Removal and Installation Make sure the fuel tubing connections are correct. 6122 50474 Pressure Tube Fuel Tube 230mm 230mm 50474 6122 6122 Body Pin (Medium) 6899 6899 O-ring 5x8x1.5mm 6899 Engine Removal and Installation...
Engine and Tuned Pipe Maintenance Refer to Exploded View Tuned Pipe Removal and Installation Needle Nosed Pliers 86110 Tuned Pipe 87054 Exhaust Manifold Spring 6154 87198 Air Cleaner 87049 Shaped Exhaust Gasket 87054 Tuned Pipe Assembly If you think the exhaust is too loud, you can install the included inner cone (#86112)to make it quieter.
3-11 Gear Box and Differential Maintenance Refer to Exploded View Bumper Holder Removal and Installation If parts are damaged, repair or replace them according to the instruction below. Rear gear box removal is same as front. 85234 85234 Differential Gear Removal and Installation If parts are damaged, repair or replace them according to the instruction below.
3-16 NITRO STAR F4.6 ENGINE Maintenance Engine Maintenance Drain all remaining fuel from the fuel tank. Use a fully charged glow igniter and try to restart the engine to burn any remaining fuel out of the lines. After burning off the fuel, remove the glow plug and add several drops of after run oil, then crank the engine over to spread it throughout the engine.
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Rebuilding The Engine There comes a time when your engine just won’t provide the Allen Wrench performance it did when it was new. When that time comes a rebuild is in order. Follow the steps below to disassemble, repair Thread Lock Oil Spray and then reassemble the engine.
3-17 HPI Roto Start System Caution Engine and it’s components may be damaged if the Roto Start is used continuously for more than 5 seconds. Your warranty will be void if the engine is damaged while using the Roto Start continuously for more than 5 seconds. If engine does not start after 5 seconds, please check that fuel is reaching the carburetor and check the glow plug.
Option Guide Engine Guard Roll Bar Removal and Installation For better engine head protection, you can install the optional engine guard. Z663 Screwdriver 85234 85239 85239 94398 Z581 Allen Wrench 85239 6123 Z903 2.5mm Z567 Z581 TP. Binder Head Screw M3x10mm Z578 Z567 Z578...
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87204 87204 87199 87203 87203 87203 Outer Filter Element Inner FIlter Element Air Filter End Cap Air Filter Inner Mesh Sleeve Air Filter Body Air Filter Elbow 87049 x1 Shaped Exhaust Gasket 86060 x1 86061 x1 Engine mount Exhaust header 87052 x1 86110 x1 Tuned Pipe...
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85066 A993 85068 A994 85245 B045 www.hpiracing.com www.hpiracing.co.jp www.hpi-europe.com HPI Racing USA HPI Japan HPI Europe 70 Icon Street 3-22-20 Takaoka-kita, Naka-ku, 21 William Nadin Way, Swadlincote, Foothill Ranch, CA 92610 USA Hamamatsu, Shizuoka, 433-8119, JAPAN Derbyshire, DE11 0BB, UK...
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