Lazer ZX - RADIO CONTROLLED ELECTRIC POWERED SPECIAL RACING BUGGY - 1/10 EP 4WD Off-Road Racer Kit Features

Oct 28, 2026

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This instruction manual introduces the KYOSHO “1/10 EP 4WD Off-Road Racer Lazer ZX,” an ultra-long travel 4WD off-road racing buggy. It highlights a double wishbone suspension for road-holding and endurance, a dual belt 4WD system designed for minimum drive loss and high dash power, and a 3-differential system including a center diff and one-way clutch. It also covers required R/C radio system setup and assembly-preparation steps.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages30

Reading Time1 h 16 min

AccessFree to download

Before Assembly

Screw Types and Usage

Parts Check and Bagged Parts List

Thread Selection and Tightening Guidance

Kit Features

Suspension and Drive System Highlights

Differential and Clutch System

Chassis and Bearings

Assembly Overview

Installation of R/C Unit and Linkage

Check the Radio System

Assembly of Servo Saver

Steering Linkage

Installation of Speed Control AMP

# RADIO CONTROLLED ELECTRIC POWERED SPECIAL RACING BUGGY.4WDOFF-ROADRACER ●KYOSHO WORKS-MACHINE ENTERED IN THE IFMAR WORLD CHAMPIONSHIP CONTEST. ●ULTRA LONG TRAVEL 4 WHEEL DOUBLE WISHBONE SUSPENSION PROVIDES OUT STANDINGROAD HOLDING CAPABILITY AND RUNNING ENDURANCE. ●ADOPTED 3 DIFF.SYSTEM INCLUDING CENTER DIFF.AND ONE WAY CLUTCH. ●DUAL BELT 4WD SYSTEM WITH MINIMUM DRIVE LOSS &HIGH DASH POWER. ●IN ADDITION TO PRECISION BALL BEARINGS(15 PCS.),IT IS EQUIPPED WITH SPECIAL RACINGCOMPONENTS SUCH AS PRESSURE OIL SHOCKS ETC. ●ADOPTED SUPER WEIGHT,HIGH RIGIDITY FRP PAN CHASSIS. ■2 CHANNEL RADIO SYSTEM(WITH AMP.),7.2V/8.4V(1200/1700mAh)NI-CAD BATTERYAND MOTOR ARE NOT INCLUDED. RKIT NO.3146 ## 《Kit Features》 OKyosho works-machine entered in the IFMAR BEFORE YOU BEGIN ASSEMBLY! world championship contest. OUltra long travel 4 wheel double wishbone suspension provides out standing road holding Thank you for purchasing the Kyosho's R/C capability and running endurance. “1/10 EP 4WD Off-Road Racer LAZER ZX”. OAdopted 3 diff. system including center diff. and one way clutch. In order to keep your Lazer ZX in top condition ODual belt 4WD system with minimum drive loss & to enjoy the most pleasure from the R/C world, high dash power. you should throughly read this instruction manual OIn addition to precision ball bearings(15 pcs.), it and the operation instruction of the radio control is equipped with special racing components such units to keep the correct way of assembling. as pressure oil shocks etc. OAdopted super weight, high rigidity FRP pan chassis. …… 23 INSTALLATION OF MOTOR & GEAR COVER…………………16 BEFORE YOU BEGIN ASSEMBLY………………………………………………………2 24 ASSEMBLY OF TIRE & WHEEL……………………………………………1; BEFORE ASSEMBLY…………………………………………………………………………………3 25 INSTALLATION OF TIRE…………………………………………………………………1; BAGGED PARTS LIST(1)……………………………………………………………4 (2)…………………………………………………………………5 LAYOUT DRAWING OF ● INSTALLATION OF R/C UNIT & LINKAGE 26～32 PLASTIC PARTS ON RUNNERS(1) 26 CHECK THE RADIO SYSTEM………………………………………………………18 (2) ……………………………………………7 ◆ 27 ASSEMBLY OF SERVO SAVER………………………………………………18 28 STEERING LINKAGE(NORMAL SIZE SERVO)………………1 1～25 ●ASSEMBLY OF CHASSIS PORTION (LARGE SIZE SERVO) ……………1 1 INSTALLATION OF BALL END……………………………………………7 29 30 INSTALLATION OF SPEED CONTROL AMP………………………19 2 FILLING SHOCK OIL ………………………………………………………………8 3 CUTTING GEAR COVER ………………………………………………………8 31 INSTALLATION OF RECEIVER……………………………………………………2( 4 INSTALLATION OF FRONT DIFF.GEAR……………………………9 32 INSTALLATION OF BATTERY……………………………………………………2( 5 ASSEMBLY OF MAIN SHAFT…………………………………………………9 33～37 6 ASSEMBLY OF REAR AXLE BOX …………………………………………10 ● CUTTING & MOUNTING BODY 7 INSTALLATION OF CHSSIS COVER…………………………………………11 33 CUTTING BODY, UNDER COWL,& WING ………………………21 8 INSTALLATION OF BELT COVER …………………………………………11 34:PAINTING ………………………………………………………………………………………21 9 ASSEMBLY OF UNI CRANK………………………………………………………12 35 ASSEMBLY OF WING & APPLYING DECAL………………21 ………………………………………2 10 INSTALLATION OF UNI CRANK & AXLE BOX……………12 36 APPLYING VELCRO INSTALLATION OF UPPER DECK Ⅲ 37 MOUNTING BODY, UNDER COWL,& WING …………………2 ………………12 & BATTERY HOLDER 12 ASSEMBLY OF KNUCKLE ARM ……………………………………………13 *USING 8,4V NI-CAD BATTERY OR CHANGE TO OVAL ROAD RACER TYPE I3 INSTALLATION OF FRONT SHOCK STAY…………………………13 14 INSTALLATION OF UPPER DECK INSTALLATION OF FRONT SUS. ARM……………………………………13 ………………………23 & BATTERY HOLDER FIXING KNUCKLE ARM & INSTALLATION………………………14 15 GUIDE FOR SET UP(1) ………………………………………………………………………23 OF BUMPER 6 (2) …………………………………………………………………………………24 INSTALLATION OF FRONT SHOCK………………………………………14 17 MAINTENANCE GUIDE ………………………………………………………………………25 ASSEMBLY OF REAR HUB………………………………………………………14 18 KEY NUMBERS FOR PARTS…………………………………………………………2E INSTALLATION OF REAR SHOCK STAY……………………………15 INSTALLATION OF REAR SUS. ARM…15& FIXI

FAQs

What key 4WD systems does the Lazer ZX use?

The Lazer ZX adopts a dual belt 4WD system and a 3-differential setup, including a center diff and one-way clutch to support racing drive performance.

Which equipment is not included in the kit?

The manual states a 2-channel radio system with an AMP, the 7.2V/8.4V Ni-Cad battery, and the motor are not included.

What should you do before starting assembly?

Check the parts against the “Bagged Parts List,” read the instruction carefully from beginning to end to grasp steps and structure, and learn how to use the different screw types correctly.

Oct 28, 2026

Upload by QWQ