Beta Rev 4T Owner's Manual
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Beta Rev 4T Owner's Manual

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OWNER'S MANUAL
Thank you for choosing
Betamotor. We hope you enjoy
your motorcycle.
This booklet provides
the information you will need
to use and maintain
your bike properly.
The details and specifications given in
this manual do not commit BETAMOTOR
S.p.A, who reserve the right to make
changes to their models at any time.
betamotor.com

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  • Page 1 OWNER’S MANUAL Thank you for choosing Betamotor. We hope you enjoy your motorcycle. This booklet provides the information you will need to use and maintain your bike properly. The details and specifications given in this manual do not commit BETAMOTOR S.p.A, who reserve the right to make changes to their models at any time.
  • Page 2 CAUTION It is important, after the first hour of break-in, to check the tightness of all fasteners, paying particular attention to the following: • Footrest brackets • Front and rear brake discs • Wheel spokes • Shockabsorber bolt • Engine bolts •...

  • Page 3: Table Of Contents

    Index Pag. CHAPTER 1: GENERAL INFORMATION INDEX OF TOPICS Principal parts ..........................................Vehicle identification details ....................................Engine identification details ....................................Console and controls ........................................Technical details ..........................................Wiring scheme ..........................................CHAPTER 2: Operation and Use INDEX OF TOPICS Filling the fuel tank ........................................

  • Page 5: Chapter 1: General Information

    Chapter 1 General information INDEX OF TOPICS Principal parts Vehicle identification details Engine identification details Console and controls Technical details Wiring scheme betamotor.com...
  • Page 6 General information PRINCIPAL PARTS 1 - Filter box 2 - Fuel tank 3 - Fuel filler cap 4 - Silencer 5 - Kickstart lever 6 - Filter cover VEHICLE IDENTIFICATION DETAILS Frame identification The frame identification details (A) are stamped on the right-hand side of the headstock.

  • Page 7: Technical Details

    General information TECHNICAL DETAILS Vehicle weight - in running order (dry) .......................... 75 kg Dimensions - overall length ..........................2015 mm - overall width ............................. 825 mm - overall height ..........................1.160 mm - wheelbase ............................1.319 mm - seat height ............................680 mm - ground clearance ..........................

  • Page 8: Wiring Scheme

    General information General information WIRING SCHEME CAUTION: Do not run the engine with the voltage regulator connected to the electrical ge- nerator without also connecting the vehicle wiring harness (central system). Doing so could cause damage to the regulator itself. KLAXTON 12V CC 12 V ADJUSTER CONSOLE...

  • Page 9: Chapter 2: Operation And Use

    Chapter 2 Operation and Use INDEX OF TOPICS Filling the fuel tank Start-up Break-in Checks and maintenance before and after use off-road Recommended lubricants and liquids betamotor.com betamotor.com...
  • Page 10 Operation and use FILLING THE FUEL TANK Remove filler cap A. The capacity of the fuel tank is approximately 2.2 litres. START-UP 1 Put the gearbox in neutral. 2 WITHOUT opening the throttle, press the kickstart lever progressively downwards, avoiding violent strokes, to the bottom of its travel.
  • Page 11 Operation and use STARTING THE ENGINE FROM COLD 1 Put the gearbox in neutral. 2 Operate the choke lever B (black knob) by pulling it outwards. 3 WITHOUT opening the throttle, press the kickstart lever progressively downwards, avoiding violent strokes, to the bottom of its travel.

  • Page 12: Break-In

    Operation and use BREAK-IN The break-in period lasts for about 10 hours of use. During this period, please observe the following recommendations: 1 For the first 3 hours of use, the engine should only be used at up to 50% of its power. The engine speed should not exceed 7000 rpm.

  • Page 13: Recommended Lubricants And Liquids

    Operation and use RECOMMENDED LUBRICANTS AND LIQUIDS To promote better operation and longer life, we recommend that you preferably use the products listed in the table: TYPE OF PRODUCT TECHNICAL SPECIFICATIONS Engine oil Bardahl XT C60 15W50 Brake and clutch fluid Bardahl brake fluid dot 4 Idemitsu oj-racing-01 Fork oil...

  • Page 14: Brake Master Cylinder Fluid

    Chapter 3 Maintenance and checks INDEX OF TOPICS Lubrication Circuit Engine Oil Brake master cylinder fluid Brakes circuit bleeding Clutch master cylinder fluid Clutch circuit bleeding Fork oil Air filter Sparkplug Front brake Rear brake Coolant Checks after cleaning Scheduled maintenance betamotor.com...
  • Page 15 Maintenance and checks LUBRICATION CIRCUIT The output oil pump (1) draws in oil from the area at the base of the gearbox through its own mesh oil filter (2) and then sends it to the paper oil filter (3). From here the oil, starting from the bypass valve (4), is directed in three different directions: by means of a jet (5) it lubricates the piston pin and takes...
  • Page 16 Maintenance and checks ENGINE OIL Use only fully synthetic oils of a reputable brand (BARDAHL XTC60 15W50). CHECKING THE ENGINE OIL LEVEL The engine oil level must be checked when the engine is warm. Run the engine for se- veral minutes and then switch it off. Place the bike on a flat surface in such a way that it is perfectly vertical.
  • Page 17 Maintenance and checks Unscrew the oil drainplug and let all the oil flow out into a drain pan. Thoroughly clean the magnet on the drainplug to get rid of the metallic impurities that it has collected. Unscrew the plug in the left-hand casing and use pliers to extract the filter.
  • Page 18 Maintenance and checks Carry out the same procedure for the ou- tput mesh filter, for which the access is via the right-hand engine casing. Position a container under the bike, near the cover for the paper filter, and unscrew the bolts on the filter cover. betamotor.com...
  • Page 19 Maintenance and checks Then extract the paper filter using pliers. Check the condition of the O-ring too, and replace it if necessary. Change the filter and refit the cover, tighte- ning the three M6x20 bolts to 10 Nm. Refit the oil drainplug, tightening it to 20 Nm, and refill with 0.9 litres of engine oil (BARDHAL XTC60 15W50).
  • Page 20 Maintenance and checks Rear brake Before you can check the rear brake fluid, you must first remove the rear mudguard by unscrewing the seven retaining screws (four on the outside, one on the tank (A), one securing the filter cover (B) and one inside the filter box (C)).
  • Page 21 Maintenance and checks BLEEDING THE FRONT BRAKE To bleed the air from the front brake sy- stem, follow the steps below: • Remove the rubber cap (A) from the bleed-nipple (B). Take off the clutch fluid reservoir cover. • Fit one end of a small transparent tube over the bleed-nipple (B), and insert the other end into a container.
  • Page 22 Maintenance and checks • Reclose the bleed-nipple and release the pedal. • If bubbles of air are visible through the tube, repeat the above operations until the fluid that comes out is free of air. Note: During this operation it is important to top up the master-cylinder reservoir continually, to compen- sate for the fluid which has been pumped out.

  • Page 23: Fork Oil

    Maintenance and checks • If you can see air bubbles through the tube, repeat the above operations until the fluid that comes out is free of air. Note: During this operation it is important that you top up the master-cylinder reservoir continually, to compensate for the fluid which has been pum- ped out.

  • Page 24: Air Filter

    Maintenance and checks Left fork leg To change the fork oil, follow the steps be- low: 1) Take out the front wheel. 2) Remove the handlebars 3) Slack off the fork stanchion pinch bolts (A). 4) Unscrew the fork leg cap. 5) Remove the spring and drain the oil completely.

  • Page 25: Sparkplug

    Maintenance and checks Note: - If the filter is very dirty, wash it first with petrol, and then with water and shampoo. - If you find that the filter is damaged, replace it immediately. Warning: After each time the air filter box is opened, check that nothing is left inside which could end up in the engine and damage it.

  • Page 26: Front Brake

    Maintenance and checks FRONT BRAKE Checking To check the state of wear of the front brake, you only need look at the caliper from the front, which gives a view of the ends of the two brakepads. The pads must have a layer of friction material at least 2 mm thick.

  • Page 27: Rear Brake

    Maintenance and checks REAR BRAKE Checking To check the state of wear of the rear brake, you only need look at the caliper from the rear, which gives a view of the ends of the two brakepads. The pads must have a layer of friction material at least 2 mm thick.

  • Page 28: Coolant

    Maintenance and checks COOLANT Check the level (this must be done with a cold engine) as follows: - Remove the grille (D). - Unscrew the filler cap (A) and visually che- ck the fluid level. - If the level is near the bottom of the tube, add fluid as follows: - Add the coolant to the system through the radiator.

  • Page 29: Scheduled Maintenance

    Maintenance and checks SCHEDULED MAINTENANCE Item end of running in (3h) after the first 10h every 30h every 60h Air filter Sparkplug Fuel filter Engine oil Engine oil filter Engine oil mesh filter Brakes Steering Frame bolts/nuts Liquids control Valves Piston rings Head bolts I = Inspect, clean, lubricate or replace as necessary...

  • Page 30: Chapter 4: Adjustments

    Chapter 4 Adjustments INDEX OF TOPICS Brake adjustment Clutch adjustment Tickover adjustment Throttle free clearance adjustment Steering paly check and adjstment Chain tension Front suspension adjustment Rear shockabsorber adjustment betamotor.com...
  • Page 31 Adjustment BRAKE ADJUSTMENT Front brake The front brake is of disc type with hydrau- lic control, and for this reason it requires only ordinary maintenance. If you wish to adjust the position of the lever, use adjuster screw A. It is advisable to leave a minimum of play.
  • Page 32 Adjustment CARBURETTOR Tickover adjustment Tickover adjustment has a major influence on starting the engine. That is to say, an en- gine with a correctly adjusted tickover will be easier to start than an engine with incor- rect tickover adjustment. You adjust the tickover using the adjuster knob (A), which regulates the base position of the throttle valve.

  • Page 33: Chain Tension

    Adjustment Steering clearance check and adjustment - Adjust with the same lever on the opposi- Periodically check the clearance in the stee- te side, taking it to the same position. ring head by moving the forks backwards - Check the wheel alignment. and forwards as shown in the illustration.

  • Page 34: Front Suspension Adjustment

    Adjustment FRONT SUSPENSION ADJUSTMENT RIDER’S WEIGHT (Kg) SPRING PRELOAD weight > 80 + 10 turns Forks 75 < weight < 80 + 5 turns - For a more reactive ride, unscrew adjuster weight < 70 knob B completely, with respect to the standard position.

  • Page 35: Chapter 5: What To Do In An Emergency

    Chapter 5 What to do in an emergency betamotor.com...
  • Page 36 What to do in an emergency PROBLEM CAUSE CURE Fuel feed system obstructed (pipes, Clean out the system. fuel tank, tap) Air filter excessively dirty Follow procedure on page 20. Clean or replace the sparkplug. No current getting to the If the problem persists, contact one THE ENGINE sparkplug...

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