Yamaha Jupiter Z (110)
The Yamaha Jupiter Z (110) has a top speed of 100 km/h, produces 8.8 hp and weighs 97 kg.
Introduced in 2003 as Yamaha's lightweight 110cc underbone (moped) for Southeast Asian markets, replacing the Crypton/Vega line as the sportier model. It became notable as a cheap, durable commuter and a dominant bike in Indonesian underbone road racing, later evolving into the Jupiter Z1 with fuel injection in 2012.
8.8 hp
ืืื
9.0 Nm
ืืืื ื
97 kg
ืืฉืงื
100 km/h
ืืืืจืืช ืืจืืืช
2.2 L/100km
ืืืง
ืขืืจืื
ืืืฃ
๐ง Service Schedule & Parts
Affiliate ยท we may earn| Service item | Every | Typical cost | Parts |
|---|---|---|---|
| ๐ข๏ธ Engine oil + oil filter | 2,500 km / 1,500 mi or 3 mo | $6-14 | ๐ข๏ธ Buy โ โ๏ธ Buy โ |
| ๐ฌ๏ธ Air filter | 12,000 km / 7,500 mi | โ | ๐ฌ๏ธ Buy โ |
| โก Spark plugs | 8,000 km / 5,000 mi | โ | โก Buy โ |
| ๐ง Valve clearance check | 10,000 km / 6,000 mi | $10-25 | |
| ๐ Chain & sprockets | 15000-25000 km (replace) | $25-50 | ๐ Buy โ |
| ๐ Brake pads | 12000-20000 km | $7-15 | ๐ Buy โ |
| ๐ง Brake fluid | 24,000 km / 15,000 mi or 2 yr | โ | |
| ๐ Tires | 12000-20000 km | $35-70 | ๐ Buy โ |
| ๐ฉ Major service | 12,000 km / 7,500 mi | $35-70 |
ืื ืืงืื ืื ืฆืจืืืื ืืืขืช
Cheap, simple commuter
Parts are everywhere and dirt cheap in Southeast Asia, so running costs are minimal. Look for an unmodified example โ many were raced or fitted with aftermarket cams, carbs and exhausts that shorten engine life.
Known weak points
Rear shock absorbers, wheel bearings and the plastic bodywork fasteners wear out quickly, and carburettor models can suffer idle and cold-start issues from dirty jets. Clutch judder and worn gear-shift mechanisms are common on high-mileage, hard-ridden bikes.
Frequent small services
Change the engine oil every 2,000โ3,000 km (it also lubricates the clutch), clean the air filter regularly and keep the chain adjusted and lubed. Valve clearance checks and spark plug replacement roughly every 8,000โ10,000 km keep it running smoothly.
Top 10 Accessories
Curated picks for the Yamaha Jupiter Z (110) โ owned, ridden, recommended.
ืืขืืืช ื ืคืืฆืืช
Rattling top-end noise at idle and cold start
Revs rise without acceleration, false neutrals uphill
Wet grime around left case, kickstart, drain bolt
Grinding whirr on start, dim horn and lights
โ ืจืฉืืืช ืืืืงื ืืคื ื ืืจืืืฉื
Tough simple engine, cheap parts, high-mileage wear common
Full Specifications
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Discussion
Frequently Asked Questions
What are common problems with the Yamaha Jupiter Z (110)? +
Noisy cam chain and tensioner wear: Rattling top-end noise at idle and cold start (moderate) | Clutch slip and hard gear shifting: Revs rise without acceleration, false neutrals uphill (moderate) | Oil seeps from crankcase and shift shaft: Wet grime around left case, kickstart, drain bolt (minor)
What is the horsepower of the Yamaha Jupiter Z (110)? +
The Yamaha Jupiter Z (110) produces 8.8 hp @ 7,500 rpm, with 9.0 Nm @ 4,500 rpm of torque. Top speed: 100 km/h.
Is the Yamaha Jupiter Z (110) good for beginners? +
Yes โ the Yamaha Jupiter Z (110) is a reasonable choice for new riders (8.8 hp is manageable), weighing 97 kg.
Is the Yamaha Jupiter Z (110) reliable? +
The Yamaha Jupiter Z (110) has no widely-reported critical reliability issues. 4 minor issues are documented โ see the Common Problems section above.
Is the Yamaha Jupiter Z (110) good for daily use? +
Suited for daily scooter use โ 2.2 L/100km fuel economy.
How fast is the Yamaha Jupiter Z (110)? +
The Yamaha Jupiter Z (110) reaches a top speed of 100 km/h, producing 8.8 hp at 97 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Yamaha Jupiter Z (110)? +
Motoryk has curated a Top 10 gear list specifically for the Yamaha Jupiter Z (110), covering engine oil, tires, chain, battery, and brake pads โ see motoryk.com/bikes/yamaha/jupiter-z-110/top10. Each pick is matched to this bike's spec.
