: Approximately 9.6 hp (7 kW) and 10.7 Nm of torque.
| Chapter | Content | | :--- | :--- | | | Safety precautions, special tools, torque specifications | | Periodic Maintenance | Detailed maintenance schedules, inspection procedures | | Engine | Complete disassembly/reassembly, cylinder head, piston, crankshaft | | Fuel System | Carburetor (KEIHIN NCV24) tuning, cleaning, adjustment | | Electrical System | Wiring diagrams, DC-CDI ignition, battery (12V 3.5Ah / 4.5Ah) | | Chassis | Front telescopic fork service, rear trailing swing arm | | Brakes | Disc brake pad replacement, caliper rebuild, bleeding procedures | | Transmission | 4-speed gearbox, clutch (centrifugal and wet), chain drive |
4-speed rotary clutchless (rotary gear system) Chassis & Fluid Capacities Fuel Tank Capacity: 4.3 Liters
The is a popular 130cc underbone motorcycle (kapcai) in Malaysia, known for its reliability, sporty styling, and decent performance for daily commuting. Whether you are a first-time owner or a seasoned mechanic looking for specific technical data, having access to the Modenas GT128 manual book is crucial for longevity and safety . Modenas Gt128 Manual Book
Modenas GT128 is a 130cc moped known for its reliability and sporty design. Keeping a manual or maintenance guide handy is essential for routine checks, adjustments, and ensuring the longevity of your motorcycle. Essential Maintenance Quick Reference Engine Oil : Requires
The Modenas GT128 remains one of the most reliable and iconic underbone motorcycles (kapchai) in Malaysia. Known for its distinct 130cc engine displacement, sharp styling, and robust build quality, keeping this machine running perfectly requires proper technical guidance.
Disclaimer: Always prioritize the specific advice given by authorized Modenas mechanics and the documentation provided with your specific model year. : Approximately 9
Note: If you ride in heavy traffic or dusty conditions, perform maintenance more frequently. 3. Important Fluid Capacities
To keep your GT128 in peak condition, adhere to the following maintenance intervals as outlined in the manual: Change every . Use 4T JASO MA high-quality oil. Capacity is usually after disassembly). Spark Plug: Inspect every , replace every Air Filter: Clean every , replace every (or more frequently in dusty conditions). Chain Slack: Check and lubricate every . The recommended slack is
The digital fuel gauge shows 5 bars when full and blinks when empty. However, some owners report that the gauge shows only 4 bars even when the tank is full, or begins blinking prematurely. The manual provides calibration procedures for the fuel sending unit. Modenas GT128 is a 130cc moped known for
Use SAE 15W-40 or 20W-50 API SE, SF, or SG grade oil (approx. 0.9 Liters for regular oil changes).
Check the downloads or customer care section of the Motosikal dan Enjin Nasional (Modenas) website for digital PDF manuals.
Note: The GT128 takes slightly more oil than standard 110cc kapcais. Always verify the level using the dipstick, keeping the bike completely upright on its center stand. Spark Plug Care NGK CPR7EA-9 or equivalent. Gap Specification: 0.8 mm – 0.9 mm. Interval: Inspect every 4,000 km; replace every 8,000 km. Air Cleaner Service Type: Polyurethane foam element soaked in oil.
| Section | Key Information | | :--- | :--- | | | Digital odometer, analog speedometer, fuel gauge (5-bar digital display), tachometer | | Starting Procedure | Use of choke for cold starts, kick starter and electric starter instructions | | Shifting Gears | 4-speed rotary transmission (down-shift pattern) | | Braking System | Disc brakes at both front and rear | | Fueling | 4.3-liter fuel tank capacity, recommended petrol type | | Break-in Period | Recommended speed limits and RPM ranges for the first 1,000 km | | Scheduled Maintenance | Oil change intervals, air filter cleaning, spark plug replacement | | Tire Pressures | Recommended PSI for front and rear tires | | Safety Warnings | Proper riding gear, load limits, side stand usage |