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WARRANTY INFO

YOKOMO ENGINE WARRANTY INFORMATION

TWO YEAR LIMITED ENGINE WARRANTY

YOKOMO USA warrants your .18 Yokomo engine to be free from defects in materials and workmanship for a period of two years from the 

purchase date.  If there are any defects with the materials, workmanship, or assembly of your engine, we will gladly repair or replace it for 

you at our discretion.  Because we cannot monitor the type and quality of fuel being used, and the conditions under which the engine is run, 

there is no warranty, expressed or implied, regarding the life of the engine.

NOT COVERED BY WARRANTY:

1)  Normal wear, abuse, neglect or any damage arising as a result of improper use.

2)  Recoil starters, starter components, glow plugs.

YOKOMO USA shall not be liable for any loss or damages, whether direct, indirect, special, incidental, or consequential, arising from the use, 

misuse, or abuse of this product and any accessory or chemical required to operate this product.

IMPORTANT INFORMATION REGARDING DEFECTIVE PRODUCTS

YOKOMO USA assumes responsibility for our products and will repair or replace any defective product at our sole discretion.  We believe 

that we are solely responsible for our products, therefore, dealers should not be involved in any replacements.  Please contact YOKOMO USA 

directly.

For a product related problem, please contact Yokomo USA Customer Service at 949.252.8663.  Our Customer Service hours are Monday 
through Friday, 9:00am to 4:00pm PST.  Our website at http://www.yokomousa.com has information and frequently asked questions about 
our products.

If you are instructed by Customer Service to return the product, or any of its components, then ship prepaid and insured to the following 

address:

YOKOMO USA, INC.

ATTN: CUSTOMER SERVICE

17951 SKYPARK CIRCLE #K

IRVINE, CA 92614

Please be sure to include your dated proof of purchase, a detailed written description of the problem, your return address, and a daytime 
phone number where you can be reached.

Summary of Contents for GT-4 RTR

Page 1: ...v2 ...

Page 2: ...t are required for the radio transmitter The instructions for the installation of the radio transmitter batteries is included in the radio transmitter manual 3x10mm Screw Upper Battery Support AA Battery Battery Box Install four AA batteries into the battery box To access the battery box remove the two 3x10mm screws and the upper battery support Once the batteries have been installed insert the ba...

Page 3: ...djustments are made with the trims recheck your installation for maximum servo travel Steering EPA right side and left side When Trim usage is extreme If it takes most of your trim movement to get a servo to the neutral position reposition the servo horn or servo saver on the servo and inspect your linkage installation Throttle Trim Throttle neutral adjustments can be made moving the throttle trim...

Page 4: ... and make sure you have cut deep enough to remove all of the unwanted material from the bumper The bumper is now trimmed and there is enough room for the body to be mounted properly In order for the included body to fit properly over the front foam bumper a portion of the bumper must be trimmed away Cut out the foam bumper template below and follow the steps shown on the left Scissors a sharp hobb...

Page 5: ...ely after filling 10 Attach the glow plug igniter to the glow plug 11 Pull the recoil starter to start the engine To stop the engine run the engine until it runs out of fuel or cover the air cleaner to restrict airflow to the intake TROUBLESHOOTING PROBLEM Engine will not start CAUSE SOLUTION No fuel in fuel tank Fill fuel tank with fuel Glow plug is bad Replace glow plug Glow plug igniter is dead...

Page 6: ...e 2 1 2 TURNS COUNTER CLOCKWISE from closed To find the fully closed position slowly rotate clockwise until it stops Do not try to turn the needle valve once it stops forcing it beyond this point can damage the needle valve IDLE ADJUSTMENT SCREW Adjusts engine speed at idle With the throttle lever in the closed position turn the screw 1 1 2 TURNS CLOCKWISE from slightly open throttle opening The o...

Page 7: ...of this product and any accessory or chemical required to operate this product IMPORTANT INFORMATION REGARDING DEFECTIVE PRODUCTS YOKOMO USA assumes responsibility for our products and will repair or replace any defective product at our sole discretion We believe that we are solely responsible for our products therefore dealers should not be involved in any replacements Please contact YOKOMO USA d...

Page 8: ...2 ZC M5E ZE 630S ZE 116S ZE 116P ZC BH315 ZC BH322 ZC F320 ZC M5E ZE 415R ZE 01 ZE 010AR ZC 303 ZE 008BW ZE 008BS ZE 60 BB 126 2 ZE 673A2S ZE 671MS BB 126 2 ZE 674 ZE 351 ZC M5E ZE 674 ZE 192 ZC M5E ZE 502 ZE 503 ZE 550 ZE 192 ZE 502 ZC 303 ZE 007 ZE 010BW ZE 008BS ZE 008BW ZE 415F ZE 010AF ZE 008F ZC BH315 YS 1SSS 4 ZC 303 ZE 008CS ZE 017 ZC BH38 ZC BH38 ZC BH320 ZE 017FS YS 7 1 ZE S34 A B ZE 008...

Page 9: ...02 ZE 503 ZE 198 ZE 501 ZE 500 ZE 500S ZC 303 ZC 303 ZC M5E ZE 650 ZE 648 ZE 641 ZE 650 ZE 645 ZE 642 ZE 643 BB 126 2 ZC M5E ZE 674 ZE 671S BB 126 2 ZE 674 ZE 351 ZC M5E ZE 502 ZE 653S ZE 653G ZE 652 ZE 654 ZE 651 ZE RX18 ZE 655 ZE 600C ZC BH330 ZE 604 ZE 603 ZE 609S ZE 609 ZE 610 ZE 619 ZE 616 03W BB 105 2 ZE 651W C D E ZE 600RTR BB 105 2 ZE 604C ZE S34 ZE 007 ZE 009 YS 1SSS 4 YS 1SSS 4 ZE 671S Z...

Page 10: ...gs 2 00 ZE 503 Front Rear Differential Pulley Set 6 00 ZE 540T Front One Way Differential 56 50 ZE 542 Front One Way Drive Cups 11 50 ZE 550 Rigid Rear Axle 20 00 10 Part Description Price STEERING THROTTLE LINKAGE ZC TB42 42mm Titanium Turnbuckle 14 75 ZC TB52 52mm Titanium Turnbuckle 14 75 ZC TBL Titanium Turnbuckle Wrench 2 00 ZM TB42 42mm Steel Turnbuckle 3 00 ZM TB52 52mm Steel Turnbuckle 3 0...

Page 11: ...tary carburetor Complete 40 00 ZE 18CS Crankshaft For pull start 36 00 ZE 18EC Engine case w bearings 42 00 ZE 18PS Pull start unit Complete 38 00 ZE 18PC Piston sleeve set w connecting rod 40 00 ZE 18PS2 Pull Start Unit w o bearing 18 00 Part Description Price SHOCK PARTS YS 1SSS 4 Plastic Shock Set 1 Pr 14 75 YS 1SS 6 Low Friction Pro Shocks Long 1 Pr 31 00 YS 1SS PRO GT 4PRO Alum Shock Set Comp...

Page 12: ...sorted Screw Set 2 00 ZR N3 3mm Nylon Locknuts 1 75 ZR SS3 3mm Assorted Set Screw Set 2 25 LEXAN BODIES Decals Window Masking Included ZE RHB GT P Racing Body GTP Type 200mm 25 00 ZE RTB GT 1 Racing Body Lola Type 200mm 25 00 RD1001 VeilSide RX 7 190mm Body Set 25 00 RD1002 VeilSide RX 7 200mm Body Set 25 00 RD1003 Porsche 911 GT2 190mm Body Set 25 00 RD1004 Porsche 911 GT2 200mm Body Set 25 00 Pa...

Page 13: ... 21 95 ST A26H Type A Hard 45 25 50 ST A26SH Type A Super Hard 48 25 50 YOKOMO MOUNTED FOAM TIRES 26mm FRONT Type A Low Wear Compound Inch up wheels ST A261M Type A Medium 35 21 95 ST A261MF Type A Medium Firm 38 21 95 ST A261F Type A Firm 41 21 95 ST A261H Type A Hard 45 25 50 ST A261SH Type A Super Hard 48 25 50 YOKOMO MOUNTED FOAM TIRES 26mm REAR Type L High Traction Compound Standard wheels ST...

Page 14: ...14 OPTION PARTS 14 ...

Page 15: ...ooling head Head clearance Single 2 Speed 1st gear pinion spur 2nd gear pinion spur Body mm mm mm mm Width Camber Ride height Downstop Bumpstop Toe angle mm mm mm mm Width Camber Ride height Downstop Bumpstop Toe angle Front anti roll bar None Front one way differential Gear diff Diff grease Caster Shims behind upper arm Thick 2 6mm Thin 1 3mm Rear anti roll bar None Solid rear axle Gear diff Diff...

Page 16: ......

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