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HYOSUNG SR 50 R Manual

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This manual should be considered a permanent part of the motorcycle and
should remain with the motorcycle when resold or otherwise transferred to
a new owner or operator. The manual contains important safety informa-
tion and instructions which should be read carefully before operating the
motorcycle.
1

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Summary of Contents for HYOSUNG SR 50 R

  • Page 1 This manual should be considered a permanent part of the motorcycle and should remain with the motorcycle when resold or otherwise transferred to a new owner or operator. The manual contains important safety informa- tion and instructions which should be read carefully before operating the motorcycle.
  • Page 2 Your Hyosung dealer has experienced technicians that are � COPYRIGHT HYOSUNG MOTORS & MACHINERY INC. trained to provide your machine with the best possible service with the right tools and...
  • Page 3 Proper break-in operation during this time will help ensure maximum life and perfor- WARNING mance from your new motorcycle. Hyosung parts are manufactured of high The personal safety of the rider may be quality materials, and manufactured parts involved. Disregarding this information are finished to close tolerances.
  • Page 4 WARNING Noise Control System(muffler assembly) TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED Owners are warned that the law may prohibit : (a) The removal or rendering inoperative by any person other than for the purpose of maintenance, repair or replacement, of any device or ele- ment of design incorporated into any new vehicle for the purpose of noise control prior to its any sale or delivery to the ultimate purchaser or while it is in use ;...
  • Page 5 HYOSUNG dealer is trained and ● ● Before the rider’ s first use of the equipped to perform this service. , make sure that he / she ●...
  • Page 6 WARNING WARNING Always open the throttle gradually to ● ● Do not run the engine indoors or where there is little or no ventilation. prevent front wheel lifting. Failure to Exhaust gases contain carbon observe this precaution may result in monoxide, a potentially lethal gas that loss of control and an accident.
  • Page 7 ◉ ◉ FAMILIARIZE YOURSELF WITH WARNING THE MOTORCYCLE Do not operate the ignition switch in the WARNING “ “ ” ” ( OFF ) or “ “ ” ” ( LOCK ) position or the engine stop switch in the “ “ ”...
  • Page 8 It 4. The motorcycle may be affected by a is not possible for Hyosung to test each lifting condition or by an instability in accessory on the market or combinations...
  • Page 9 Balance the load between the left and right side of the motorcycle and fasten it securely. WARNING Modification of the motorcycle, or removal of original equipment may ren- der the vehicle unsafe or illegal.

  • Page 10: Table Of Contents

    TABLE OF CONTENTS 1. SERIAL NUMBER LOCATION ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 2. FUEL AND OIL RECOMMENDATION ∙∙∙∙∙∙∙∙∙∙∙∙∙ FUEL ENGINE OIL TRANSMISSION OIL 3. NAMES OF EACH PARTS ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4. CONTROLS ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ IGNITION SWITCH IGNITION KEY INSTRUMENT PANEL OIL INDICATOR LAMP LEFT HANDLE SWITCH RIGHT HANDLE SWITCH 5.
  • Page 11 8. BREAK-IN ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 9. INSPECTION BEFORE RIDING ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ BRAKES TIRES INSPECTION OF FUEL INSPECTION OF ENGINE OIL INSPECTION OF LAMPS 10. PERIODIC MAINTENANCE ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ EXHAUST PIPE AND MUFFLER FRONT FORK REAR SHOCK ABSORBER BRAKES TIRES AIR CLEANER BATTERY TRANSMISSION OIL ENGINE OIL AND GASOLINE FUSES SPARK PLUG...

  • Page 12: Serial Number Location

    Frame number : SERIAL NUMBER LOCATION Engine number : The frame and/or engine serial numbers are used to register the motorcycle. They are also to assist your dealer in terms of ordering parts or referring to special ser- vice information. FUEL AND OIL RECOMMENDATION F U E L Use unleaded gasoline with an octane...

  • Page 13: Engine Oil

    ENGINE OIL Use HYOSUNG HYPOL OIL HS. If they are not available, use a good quali- ty TWO-STROKE engine oil. TRANSMISSION OIL Use a good quality SAE 10W/30 or 10W/40 multi-grade oil. WARNING ● ● Don’ ’ t mix the unrecommended oil. It could damage the engine.

  • Page 14: Names Of Each Parts

    NAMES OF EACH PARTS ③ ④ ② ⑤ ⑥ ① ① Rear brake lever ② Left handle switches ③ Speedometer ④ Right handle switches ⑤ Throttle grip ⑥ Front brake lever...
  • Page 15 ⑦ ⑧ ⑨ ⑩ ⑦ Fuel tank cover ⑧ Oil tank ⑨ Muffler ⑩ Rear carrier N O T E “ “ ” ” : : means the invisable parts.
  • Page 16 ⑮ ⑪ ⑭ ⑬ ⑫ � � � � ⑪ Oil indicator lamp � Air cleaner ⑫ Ignition switches � Kick starter lever ⑬ Personal trunk � Center stand ⑭ Seat lock � Side stand ⑮ Battery & Fuse N O T E “...

  • Page 17: Controls

    ◉ ◉ “ “ ” ” LOCK POSITION CONTROLS To lock the steering, turn the handlebar all the way to the left. Push down the key to the “ ” ( OFF ) position and turn it to the IGNITION SWITCH “...

  • Page 18: Instrument Panel

    ④ ④ TURN SIGNAL INDICATOR LAMP INSTRUMENT PANEL When the turn signal are being operated either to the right or to the left, the indica- tor will flash at the same time. ⑤ ⑤ HIGH BEAM INDICATOR LAMP � The high beam indicator lamp will come �...

  • Page 19: Left Handle Switch

    CAUTION LEFT HANDLE SWITCH Always use the turn signals when you ④ ③ intend to change lanes or make a turn. Always be sure to turn the turn signal ② switch to the “ “ OFF ” ” position after com- pleting the turn or lane change.

  • Page 20: Right Handle Switch

    ③ ③ THROTTLE GRIP RIGHT HANDLE SWITCH Engine speed is controlled by position of the throttle grip. Turn it toward you to increase engine speed. Turn it away from ① you to decrease the engine speed. ② ③ WARNING Avoid turning the throttle grip during brakes.

  • Page 21: How To Use

    CAUTION HOW TO USE Do not engage the starting motor for more than five seconds at a time as it HOW TO USE THE HELMET may overheat the wiring harness and HOLDER starting motor. If the engine does not start after several When keep a helmet temporally, use the attempts, check the fuel supply and igin- helmet holder following the illustration...

  • Page 22: How To Open The Seat

    HOW TO OPEN THE SEAT HOW TO USE THE PERSONAL TRUNK ’ You can use the PERSONAL TRUNK after Keep the owner s manual or maintenance opening the seat. manual in the personal trunk. Put the helmet as shown in the picture. 1) To unlock the seat, insert the ignition key CAUTION into the lock and turn it clockwise.

  • Page 23: Gasoline And Engine Oil

    WARNING GASOLINE AND ENGINE OIL ● ● When refueling, always shut the engine off and turn the ignition HOW TO PROVIDE THE GASOLINE key to the ( OFF ) position. Never refuel near an open flame. 1. Insert the ignition key into the fuel tank ●...

  • Page 24: How To Supply The Engine Oil

    WARNING HOW TO SUPPLY THE ENGINE OIL New and used oil and solvent can be 1. Hold the motorcycle vertically with the hazardous. Children and pets may be center stand. harmed by swallowing new or used 2. Open the seat and oil tank cap. engine oil or solvent.

  • Page 25: The Proper Operations

    CAUTION THE PROPER OPERATIONS If the front or rear brake lever is not squeezed, the starting motor will not STARTING THE ENGINE rotate. Before riding � Push the starter switch without turning the throttle grip. ● ● Check how much the engine oil and gasoline is left.
  • Page 26 ● When it doesn’ t start after several trial, ● It is not started easily in the cases as follows. turn the throttle grip to ⅛~¼ position. 1 ) It has been long since you started the motorcycle. 2 ) There was no gasoline left. In this case ( 1, 2 ) , push the starter FULL THROTTLE OPERATION...

  • Page 27: Starting Off

    � Ride on CAUTION Gripping the lever with both hands, be seat- ed on from leftside of the motorcycle. When started, return the kick starter Put the left foot on the earth and fasten the lever. rear brake lever. STARTING OFF �...
  • Page 28 � Start off WARNING Take off the rear brake lever and turn the throttle grip slowly, the motorcycle will start Sudden side winds, which can occur moving forward. when being passed by large vehicles, at tunnel exits or in hilly areas, can upset your control.

  • Page 29: Operating The Brake

    � Pay much more attention to dri- OPERATING THE BRAKE ving when rains or snows. ● When the brake doesn’ t work normal- Apply the front and rear brakes at the ly, keep low speeds and apply the sametime. brake lightly until smoothly operated. FRONT BRAKE REAR BRAKE ●...

  • Page 30: Stopping And Parking

    WARNING STOPPING AND PARKING Hard braking while turning may cause � Turn on the turn signal lamp and wheel skid and loss of control. return the throttle grip. Brake before you begin to turn. � When completely stopped, turn off the turn signal lamp. Set the WARNING key “...
  • Page 31 The opening explains how important Wear in the tread surface by gradually proper break-in is to achieve maximum life increasing your cornering lean angles and performance from your new Hyosung. over the first 160km(100miles) before The following guidelines explain proper attempting maximum performance. Avoid break-in procedures.
  • Page 32 Timely performance of the 1,000km (600miles) service will ensure optimum service life and performance from the engine. CAUTION Service should may be peformed before 1,000km(600miles) on motorcy- cle that are used under severe condi- tions. CAUTION The 1,000km (600miles) service should be performed as outlined in the PERIODIC MAINTENANCE section of this Owner’...
  • Page 33 The brakes should be inspected at Brake pads or shoes not to ● ● be worn down to the limit periodic inspection by your authorized line Hyosung dealer. Suspension Smooth movement Enough fuel for the planned Fuel ◉ ◉ BRAKE LEVER...
  • Page 34 Hyosung’ s requirements. WARNING As the brake pads wear, the fluid level will...
  • Page 35 This motorcycle uses glycol-based to periodic inspection chart by your brake fluid. Do not use or mix different authorized Hyosung dealer for safety as types of brake fluid, otherwise serious in times of operating at high pressure. damage will result in the brake system.
  • Page 36 NORMAL RIDING TIRES TIRE PRESSURE (COLD INFLATION) SOLO RIDING DUAL RIDING 1.25 kg/ ㎠ 1.75 kg/ ㎠ Inspect the tire pressure and the tire thread depth periodically. FRONT 123 kpa 172 kpa Inspect frequently the tire pressure for the 18.0 psi 25.0 psi safety and the tire life.
  • Page 37 『tire wear indicator』 . CAUTION The standard tire on 120/90- 10 66J for front, and 130/90- 10 70J for rear. The use of a tire other than standard may cause trouble. It is highly recommended to use the standard tire supplied by Hyosung.
  • Page 38 INSPECTION OF FUEL INSPECTION OF ENGINE OIL Check if the remaining gasoline is enough Replenish the ENGINE OIL when the Oil for running to the destination. indicator lamp on with the ignition switch in “ ” (ON). Replenish the GASOLINE when the Fuel indicator lamp on with the ignition switch in “...
  • Page 39 ◉ ◉ REPLACEMENT OF THE LAMP INSPECTION OF LAMPS Requirement electric power of the lamp shown in the following chart. ● ● Check if the head lamp, tail lamp and When replace the damaged lamp, always turn signal lamp work well with engine use the equal capacity.
  • Page 40 For maximum safety we suggest that you Using poor quality replacement parts have these items inspected and serviced by can cause your motorcycle to wear your authorized Hyosung dealer or a quali- more quickly and may shorten its useful fied service mechanic. life.
  • Page 41 � � �G � � � � � ① ⑥ Rear brake lever holder Speedometer gear box ② ⑦ Center stand pivot and spring hook Front brake lever holder ③ ⑧ Side stand pivot and spring hook Throttle grip ④ Throttle cable - Motor oil - Grease...
  • Page 42 Front forks ★ ─ ─ Inspect Rear shock absorber ★ ─ ─ Inspect Chassis nuts and bolts ★ ─ Tighten Tighten N O T E ★ ★ = Ask your Hyosung dealer or qualified mechanic to do the maintenance items marked.
  • Page 43 EXHAUST PIPE AND MUFFLER Inspect the exhaust pipe and muffler joint for loosening. FRONT FORK ● Check the front/rear brake while running ● Check if there is any noise by bend of in low speeds. front fork while moving the handle ●...
  • Page 44 not to allow dusts to get inside of it. ◉ ◉ BRAKE PADS 3. Loosen the screw and open the cap. ● Wearing condition of brake pads can be 4. Replenish with brake fluid to the limit checked by observing the wear limit line line.
  • Page 45 � is within the index mark � on the crankcase. ② If the extension line is beyond the index mark, have the brake shoe assembly replaced by your Hyosung dealer to ensure safe operation. ◉ ◉ ADJUSTMENT OF REAR BRAKE LEVER PLAY Adjust the lever play to 15~25mm (0.59~0.98in) by screwing in or out the...
  • Page 46 : do not twist or wring the element or it will develop tears. 5. Immerse the element in HYOSUNG gen- uine oil � and squeeze the oil out of the element leaving it slightly wet with oil.
  • Page 47 CAUTION CAUTION Before and during the cleaning opera- More frequent servicing may be per- tion, inspect the element for tears. formed on motorcycles that are used A torn element must be replaced. under severe conditions, also clean the Be sure position the element snugly and air cleaner element to prevent damage correctly, so that no incoming air will of the engine.
  • Page 48 ◉ ◉ CLEAN OF BATTERY TERMINAL TRANSMISSION OIL Clean the battery terminal when it is dusty or rusted. 1. Set the ignition switch “ ” (OFF) posi- Check if the transmission oil leaks. tion. 2. Disassemble the pillion seat, disassem- ble the ( ) positive battery wire after the ( ) negative battery wire.
  • Page 49 Installing a fuse of incorrect rating may In case a fuse blows there is a 10A spare seriously damage the electrical system. fuse. You should consult your Hyosung deal- Check the fuse with the ignition switch er or a qualified service mechanic imme- ( OFF ).
  • Page 50 Remove the carbon deposits periodically dard spark plug be used, it is best to from the spark plug with a piece of hard wire consult your Hyosung dealer before or pin. selecting an alternate plug or heat range. The selection of an improper spark plug can lead to severe engine damage.
  • Page 51 ① ① Remove a spark plug and reattach to the spark lead. When occur any trouble, the best way is ② ② While holding the spark plug firmly to consult your Hyosung dealer for against the engine, crank the engine with repairs. the ignition switch in the “ “...
  • Page 52 N O T E WHEN KEEPING FOR LONG PERIOD Avoid spraying or allowing water to flow 1.Supply the enough fuel in the fuel tank. over the following places : 2.Do drain wholly the fuel in the carburetor. ● ● Spark plug 3.Remove the battery from the motorcycle.
  • Page 53 L A B E L ① ②...
  • Page 54 SPECIFICATIONS DIMENSIONS AND DRY MASS Overall length 1,840mm (72.4in) Overall width 635mm (25.0in) Overall height 1,110mm (43.7in) Wheelbase 1,270mm (50.0in) Ground clearance 125mm (4.9in) Dry mass 94kg (207lbs) ENGINE Type Two-stroke, forced air cooled Intake system Reed valve Number of cylinder Bore 41.0mm (1.614in) Stroke...
  • Page 55 CHASSIS Front suspension Telescopic type Rear suspension Coil spring type 25 。 Caster Trail 75mm (2.95in) 45 。 (right & left) Steering angle Front tire size 120/90-10 66J Rear tire size 130/90-10 70J Front brake Disk Rear brake Drum ELECTRICAL “...
  • Page 56 Prepared by HYOSUNG MOTORS & MACHINERY INC. 1st Ed. NOV. 2003. Printed in KOREA...

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