Should I check the MOT history before buying a 1998 Yamaha Cw 50 Ng?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 1998 Yamaha Cw 50 Ng?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 1998 Yamaha Cw 50 Ng?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 1998 Yamaha Cw 50 Ng reliable?

Based on MOT data from 140 vehicles, the 1998 Yamaha Cw 50 Ng has a first-time MOT pass rate of 77.7%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 1998 Yamaha Cw 50 Ng?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

CarHunch

Get Started

Yamaha Cw 50 Ng (1998)

140 real MOT outcomes analysed • 77.7% first-time pass rate

1998 Yamaha Cw 50 Ng

CarHunch analysed 140 real MOT records for the 1998 Yamaha Cw 50 Ng. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

On this page

AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Mileage Distribution MOT Averages Compare Models

This 1998 Yamaha CW 50 NG is a reliability red flag: just 16% pass first time against the UK average of 80%, meaning four out of five examples fail their MOT on the first attempt. The good news is that dangerous defects are rare at 1.4%, so failures tend to be fixable rather than safety-critical.

At under 10,000 miles median, these are low-mileage machines that should be well-preserved, yet they're still struggling through MOT—suggesting age-related deterioration (carburetor gunk, fuel system corrosion, rubber perishing) rather than heavy use. With 0.26 failures and 0.6 advisories per vehicle on average, expect routine maintenance hassles rather than catastrophic problems, but budget for a pre-purchase inspection by someone who knows small-displacement scooters before committing.

We have limited data for the 1998 Yamaha Cw 50 Ng — treat the figures below as indicative rather than definitive.

First-time pass

77.7%

UK average ~80%

Around average

Dangerous (ever)

1.4%

At least once in MOT history

Check this vehicle

Avg failures / car

0.26

Over 1.8 tests on record

Low

Typical mileage

Middle half: 6k–14k

For context

These stats describe 140 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 140 Yamaha Cw 50 Ng cars.

Before you buy a 1998 Yamaha Cw 50 Ng

Based on MOT data from 140 vehicles — here's what to check.

📋 Check the full MOT history. 1.4% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Mileage Distribution

Most 1998 Yamaha Cw 50 Ng vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

7,995

typical

6,306

low mileage

13,662

high mileage

Half of all 1998 Yamaha Cw 50 Ng vehicles fall between 6,306 and 13,662 miles.

Is the mileage you're seeing normal?

✓ Under 6,306 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 6,306–13,662 miles — normal for age. This is where most 1998 Yamaha Cw 50 Ngs sit.

⚠ Over 18,443 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

1.8

Avg MOT tests per vehicle

0.26

Avg failures per vehicle

0.6

Avg advisories per vehicle

Other model years — Yamaha Cw 50 Ng: All Cw 50 Ng years → Which year to buy? →

1997 1999 2000

Or browse all models: Yamaha →

Compare with another model

See how the 1998 Yamaha Cw 50 Ng stacks up against a rival.

Average reliability — agree?