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Page 6

Steering Trim

: The model should go straight without turning the steering 

wheel. If not, tap the trim lever found just above and to the right of the 

steering wheel in the direction needed for the model to go straight. Each 

tap of the trim button will be accompanied by an audible tone indicating 

a change has been made. It may take several taps to get the correct trim 

setting.

Throttle Trim

: The model should idle without the tires rotating when the 

trigger is at its neutral position. If not, tap the trim lever found just above 

and to the left of the steering wheel to reposition the throttle servo and 

close the carburetor and apply more brakes. Note that additional braking 

force is applied when you push the trigger forward.

Synchronizing the Steering Servos

: If you remove the steering servos or 

the servo savers you will probably have to make some small adjustments to ensure they are working together at 

maxium capacity. With the servo savers removed and the linkaged attached,

• 

Turn on the radio and reset the steering trim to read “0” (which is neutral) on the radio screen.

• 

 Loosen the setscrews securing the linkage slightly and mount the servo savers so they are timed as close as 

possible like that seen in the photo.

• 

Use the steering trim on the transmitter to fine-tune the timing of the servo savers.

• 

 Make sure the front tires are pointing forward and lock the steering linkage in place by tightening 

 

the setscrews.

Telemetry Sensors

• 

 The battery power of the receiver pack will automatically register on the 

readout screen.

• 

 The engine temperature requires that the temperature sensor (SPM1450) be 

installed around the head just above the head bolts as seen in the photo. Note: 

The temperature sensor must be removed before removing the head from the 

engine. There is an external plug near the radio box which will allow you to 

disconnect it if you wish to remove the engine for cleaning.

• 

 The RPM/Speed sensor (SPM1452) mounts directly 

below the front of the radio box. It must be kept clean 

to operate correctly. There is a silver stripe on the drive 

coupler (just below the sensor) that must also be kept 

clean. Use only a soft brush to clean these – Do Not 

Use Any Solvents at any time on these items. If the 

silver stripe gets removed use one from the (SPM1512) 

Telemetry RPM sticker sheet.

Maintenance

In addition to the service needs pointed out in this guide, 

you should try to maintain your new LST XXL for proper performance and to prevent wear. If dirt gets in the 

moving parts it can seriously hinder the performance of the model. Use compressed air, a soft paintbrush and/

or toothbrush to remove dirt and dust. Avoid using solvents, if possible, as this can acutally wash the dirt into 

bearings and areas not accessible without disassembly, causing additional wear. We suggest you follow these 

basic guidelines.

• 

Remove as much freestanding dirt and dust as noted above.

• 

Never leave fuel in the tank for more than a couple of hours.

• 

 When done running for the day or longer, let the engine run out of fuel. Remove the air cleaner and pour a 

little WD40 or quality after-run engine oil into the carburetor and spin the engine over a few seconds.

• 

If needed, clean and re-oil the air cleaner before installing it back on the model.

• 

Inspect the chassis for worn, broken, or binding parts and repair as necessary. 

Summary of Contents for LST XXL

Page 1: ...Operations Guide Not responsible for errors All prices subject to change without notice Losi a Division of Horizon Hobby Inc...

Page 2: ...h a reverse gear Just like a real automobile you must wait for the model to come to a complete stop before shifting between forward and reverse Failure to do so will cause damage to the transmission F...

Page 3: ...to get a feel for the steering response and handling characteristics of the model 2 You can also break in the engine by placing the model against a wall or fixed object and allowing the engine to idl...

Page 4: ...e engine labors and is sluggish with heavy smoke the mixture is too rich and needs to be leaned by turning the high speed needle clockwise in one hour increments until it runs smoothly If the engine i...

Page 5: ...eating and the high speed needle needs to be richened turned counterclockwise at least two hours About the Radio The Spektrum DX3S radio installed in the LST XXL is a professional level system with mo...

Page 6: ...rature requires that the temperature sensor SPM1450 be installed around the head just above the head bolts as seen in the photo Note The temperature sensor must be removed before removing the head fro...

Page 7: ...e engine to rev higher Turning them counterclockwise will make it shift earlier and require less engine speed If you should get lost adjusting the two speed start over at the factory setting by lightl...

Page 8: ...ay from the clutch shoes near the inner race of the bearing Install the bearings into the new clutch bell Before replacing the clutch bell wipe out the inside with motor spray lacquer thinner or a sim...

Page 9: ...e four 5 64 flat head screws from the ring gear allowing it to be removed Inspect the ring and pinion gears for wear replace if necessary Remove the cross shafts bevel gears and shims for the carrier...

Page 10: ...ase half 7 Regrease the gears and shafts inspecting each for wear 8 Replace any worn or failed gears 9 Wipe out the inside of the gear case removing any debris old grease and foreign matter 10 Check a...

Page 11: ...out the old fluid from the shock body before reinstalling the car tridge shaft assembly Pull the shaft out so that the piston is next to the cartridge and reinstall the assembly into the shock body t...

Page 12: ...Factory Settings Using Nitrotane 20 Sport Fuel Using Nitrotane 20 Sport Fuel x21 2 x23 4 x5 2 7 in 68mm Steering x1 Losi 30wt Shock Oil LOSA5224 High Speed Needle 23 4 turns out Slipper 1 turn out Eng...

Page 13: ...build Engine overheats High speed fuel mixture is too lean Low speed fuel mixture too lean Spoiled or improper fuel Cooling air is being blocked Excessive load on the engine See Understanding Rich and...

Page 14: ...Set 2 All 4 99 LOSB3540 F R Diff Outdrive Set All 10 99 LOSB3541 F R Diff Drive Yoke All 5 99 LOSB3547 Center CV Driveshaft Assm Long XXL 16 99 LOSB3601 Brake Disks Steel 2 LST 2 4 99 LOSB3603 Brake C...

Page 15: ...99 CLUTCH PARTS LOSB3323 Aluminum Clutch Shoe Spring Set LST2 22 99 LOSB3328 Long Wear Aluminum Clutch Shoes 3 LST 2 XXL Aft 24 99 LOSB3340 Clutch Bell Only 2 Seed Threaded LST 2 10 99 LOSB3341 18T 2...

Page 16: ...28 B3601 B4203 A6248 B3125 B3119 B3127 B3125 B3127 B3119 A6941 B3115 B3117 A6941 A6107 B3136 B3135 B3125 A6107 A6940 B3113 A6356 A6939 A6250 B3128 B3102 B3114 B3116 A6939 A6940 B3103 B4203 B3125 B3124...

Page 17: ...Page 17 B3547 B3547 B3547 B3547 B3342 Drivetrain Assembly...

Page 18: ...Page 18 B2278 B2250 B2250 Chassis...

Page 19: ...Page 19 Chassis...

Page 20: ...Page 20 B7012 B7407 B2035 B2035 Front Assembly...

Page 21: ...Page 21 B7012 B7407 B2035 Rear Assembly...

Page 22: ...LOSR2223 LOSR2223 LOSR2224 LOSR2228 LOSR1042 LOSR1041 LOSR2223 LOSR1043 LOSR2212 LOSR2216 LOSR2211 LOSR2211 LOSR2223 LOSR2225 LOSR2222 LOSR2215 LOSR2228 LOSR2213 LOSR2211 LOSR2210 LOSR2218 LOSR2217 L...

Page 23: ...damage to the Product or other property This Product is not intended for use by children without direct adult supervision The Product manual contains instructions for safety operation and maintenance...

Page 24: ...k with any questions or concerns regarding this product or warranty Instructions for Disposal of WEEE by Users in the European Union This product must not be disposed of with other waste Instead it is...

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