Photo: Classic & Classy Motorcycles Ltd · Owned by Classic & Classy Motorcycles Ltd
Yamaha YB100
66/100 Overall
63 On the road68 As a classic
Classic motorcycle head-to-head
Yamaha YB100 vs Yamaha RS100
Yamaha YB100 scores 66/100 overall against Yamaha RS100 on 68/100. On the road: 63–62. As classics: 68–73. Overall result: Yamaha RS100.
Photo: Seán Pòl Ó Creachmhaoil · CC BY-SA 4.0
Yamaha RS100
68/100 Overall
62 On the road73 As a classic
The numbers
Category-by-category result
| Category | Yamaha YB100 | Yamaha RS100 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 3 | 4 | Yamaha RS100 |
| HandlingSteering, stability, weight and real-road manners. | 7 | 7 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 5 | 5 | Level |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 8 | 8 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 9 | 8 | Yamaha YB100 |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 5 | Yamaha YB100 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 7 | 7 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 7 | 7 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 6 | 7 | Yamaha RS100 |
| CharacterSound, feel, personality and memorable riding experience. | 7 | 8 | Yamaha RS100 |
Choose the Yamaha YB100 if…
you want a simple, dependable lightweight with classic commuter charm and easy ownership.
Choose the Yamaha RS100 if…
you want a simple, light and economical Yamaha that represents everyday British learner transport in the late 1970s.
Background
History
Yamaha YB100
The Yamaha YB100 was produced from 1973–1989 and used a 97cc air-cooled two-stroke single. Within this comparison library it stands out particularly for ownership appeal, reliability, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Yamaha RS100
The Yamaha RS100 was produced from 1975–1980 and used a 97cc air-cooled two-stroke single. Within this comparison library it stands out particularly for reliability, ownership appeal, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Yamaha YB100
- Its production span in this library runs from 1973 to 1989.
- The recorded engine description is: 97cc air-cooled two-stroke single.
- Its strongest comparison scores are ownership appeal, reliability, styling.
Yamaha RS100
- Its production span in this library runs from 1975 to 1980.
- The recorded engine description is: 97cc air-cooled two-stroke single.
- Its strongest comparison scores are reliability, ownership appeal, character.
Present-day appeal
Collector notes
Yamaha YB100
Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha YB100. Its library score for ownership appeal is 9/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Yamaha RS100
Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha RS100. Its library score for reliability is 8/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Before you buy
Buying checks
Yamaha YB100
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check the oil-injection or premix arrangement, crank seals and exhaust condition carefully.
- Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
- Verify that important model-specific parts have not been replaced with incorrect later components.
- Review the paperwork, ownership history and any restoration invoices before purchase.
Yamaha RS100
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check the oil-injection or premix arrangement, crank seals and exhaust condition carefully.
- Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
- Verify that important model-specific parts have not been replaced with incorrect later components.
- Review the paperwork, ownership history and any restoration invoices before purchase.
Period opposition
Historic rivals
Rivals to the Yamaha YB100
Rivals to the Yamaha RS100
Final result
The verdict
Yamaha YB100 wins the direct on-the-road comparison. Yamaha RS100 wins the classic-motorcycle comparison. Yamaha RS100 takes the overall result after the road and classic scores are weighted equally.