The SMAX155, model code 1DK, is a sporty scooter designed for urban commuting, introduced around 2014-2015. It features a liquid-cooled, 155cc, 4-stroke SOHC engine with fuel injection, delivering approximately 11-12 HP and 10-11 Nm of torque, paired with an automatic Continuously Variable Transmission (CVT). Notable features include dual LED headlights, front and rear disc brakes, and an underbone frame, all contributing to its sporty styling and reputation for reliability. This model competes in the sport scooter segment against other 150cc-160cc offerings, emphasizing performance and advanced features for its class.
This comprehensive parts manual provides detailed information for the SMAX155 (1DK) specifically for the Taiwan market. It covers all major systems including the engine, transmission, fuel, cooling, electrical, chassis, suspension, brakes, bodywork, wheels, tires, and controls. The manual includes exploded views and part number cross-references essential for identifying components during maintenance and repair. It illustrates assembly and disassembly sequences, offering high specificity for part identification and interchangeability, thereby serving as an indispensable resource for owners, mechanics, and technicians in maintaining and restoring the vehicle.
Product Identifier:
Yamaha SMAX155 1DK Parts Manual Parts List Parts CATA
Segment:
Sport Scooter segment, aimed at urban commuters seeking performance and style.
Key Competitors:
Competes with other 150cc-160cc scooters from brands like Honda (PCX150/160, Forza 125/150), Kymco, Sym, and PGO in its target markets.
Design Philosophy:
Emphasizes sporty styling, advanced features for its class, and Yamaha's reputation for reliability.
Overall Coverage:
Comprehensive parts catalog for the Yamaha SMAX155 (1DK model) specifically for the Taiwan market.
Estimated Page Count:
Estimated 200-300 pages (typical for a detailed parts catalog).
Type:
Parts Manual / Parts Catalog
Language:
Likely Chinese (Traditional) and possibly English, common for official Taiwan market manuals.
Format:
Digital (PDF) or printed, depending on the specific product offering.
Major Systems:
Engine, Transmission (CVT), Fuel System, Cooling System, Electrical System, Chassis, Suspension, Brakes, Bodywork, Wheels & Tires, Controls, Lighting.
Parts Identification:
Detailed exploded views and part number cross-references for all components.
Assembly Disassembly Sequence:
Illustrates the order of parts for assembly and disassembly.
Technical Depth:
High specificity for part identification and interchangeability, essential for maintenance and repair referencing.
Digital Format:
PDF (if digital) - typically high-resolution for clear viewing of diagrams.
Print Quality:
N/A (for digital) or High-quality printing with clear diagrams and text (if physical).
Binding Type:
N/A (for digital) or Staple-bound or perfect bound (if physical).
Paper Type:
N/A (for digital) or Glossy or semi-gloss paper for durability and clear images (if physical).
Engine Type:
Liquid-cooled, 4-stroke, SOHC, 2-valve
Displacement:
155cc (approximate, often rounded from 155.1cc)
Bore X Stroke:
52.4 mm x 57.9 mm (typical for this engine platform)
Compression Ratio:
10.1:1 (typical)
Horsepower Estimate:
Approximately 11-12 HP at around 8,000 RPM (exact figures vary by market and tune).
Torque Estimate:
Approximately 10-11 Nm at around 6,000 RPM (exact figures vary by market and tune).
Fuel Delivery:
Fuel Injection (FI)
Ignition System:
TCI (Transistor Controlled Ignition)
Cooling Method:
Liquid Cooling
Starter System:
Electric Starter
Transmission Type:
Automatic, Continuously Variable Transmission (CVT) with V-belt drive
Clutch Type:
Dry, centrifugal automatic clutch
Length:
Approx. 1985 mm (varies slightly by region/year)
Width:
Approx. 700 mm (varies slightly by region/year)
Height:
Approx. 1115 mm (varies slightly by region/year)
Seat Height:
Approx. 795 mm (typical for this class)
Wet Weight:
Approx. 130 kg (typical, includes all operating fluids and a full tank of fuel)
Fuel Tank Capacity:
Approx. 7.4 Liters
Front Tire Size:
120/70-13 (common fitment)
Rear Tire Size:
130/70-13 (common fitment)
Wheel Base:
Approx. 1405 mm
Crash Safety:
Not typically rated by formal automotive crash test agencies for scooters. Relies on manufacturer design and regional regulations.
Braking System Front:
Disc Brake (typically hydraulic, possibly with ABS as an option in some markets)
Braking System Rear:
Disc Brake (typically hydraulic)
Lighting:
LED Headlights and Taillights (common for this model)
Frame Type:
Underbone type frame
Dashboard:
Digital LCD instrument cluster displaying speed, RPM, fuel level, odometer, trip meters, clock, and warning lights.
ABS Availability:
ABS was often an optional feature or standard on specific higher trims depending on the market. The parts manual will differentiate between ABS and non-ABS models.
Smart Key System:
Some models may feature a keyless ignition system, which would be detailed in the parts catalog.
Headlight Type:
Dual LED headlights for enhanced visibility and modern aesthetics.
Vva Availability:
The SMAX155 (1DK) does NOT feature Variable Valve Actuation (VVA) technology, unlike some later Yamaha 155cc models.
Oil Change Interval:
Typically every 3,000-5,000 km or 6 months, whichever comes first. Check manual for exact spec.
Air Filter Check Interval:
Check every 5,000 km, replace as needed. Check manual for exact spec.
Spark Plug Replacement Interval:
Typically around 10,000-15,000 km. Check manual for exact spec.
Cvt Belt Inspection Interval:
Inspect every 10,000-15,000 km, replace as needed. Check manual for exact spec.
Engine Oil Type:
Yamalube 4S 10W-40 or equivalent API SG, JASO MA.
Engine Oil Capacity:
Approx. 0.95 Liters without filter change, 1.05 Liters with filter change (check manual for exact spec).
Coolant Type:
Yamaha's recommended high-performance coolant or equivalent (Ethylene Glycol based).
Transmission Oil Type:
The SMAX155 uses a sealed CVT primary and secondary drive system; no user-serviceable transmission oil in the traditional sense for the CVT itself. Gear oil for the final drive would be separate and typically synthetic SAE 80W-90.
Common Wear Items:
CVT Belt wear, brake pad wear, tire wear, occasional electrical connector corrosion in humid climates.
Typical Reliability:
Generally good reliability associated with Yamaha's build quality, but regular maintenance is crucial.
Manufacturer:
Yamaha Motor Corporation, known for a long history of motorcycle and scooter innovation.
Introduction Year:
The SMAX155 was introduced globally around 2014-2015, targeting markets with strong scooter demand.
Design Inspiration:
Often seen as a sportier alternative to Yamaha's own XMAX series and competitors, with a more aggressive stance and potentially sport-tuned suspension.
Manufacturing Location:
Primarily manufactured in Southeast Asia, with specific assembly plants likely in Taiwan and/or Indonesia for various markets.
Class Awards:
While specific awards might be regional, the SMAX155 is generally recognized within its segment for its blend of performance, handling, and Yamaha's build quality. It often receives positive reviews from motorcycle publications.
