Toy

LEGO 42065 RC Tracked Racer (Power Functions)

1 source-linked failure report. Most reported: Power Functions set loses power after short travel. Typical failure around 0 mo.

Reliability signal — · Insufficient data · data confidence Very Low

1 confirmed failure reports

Reliability summary

What is likely to go wrong, when it happens, and how expensive it can be — from source-linked failure reports. Counts are reports in our database, not a population failure rate.

Reliability signal

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1 confirmed failure report · Insufficient data · Data confidence: Very Low

Need at least 5 confirmed failure-signal reports before showing an A–F grade.

Most common issue: Power Functions set loses power after short travel
Typical first failure: 0 mo; Median of confirmed reports with timing
Median repair cost: —; Reported costs only · market varies
Highest reported repair: —; Not a quote · costs differ by country

What breaks?

Failure types

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Power Functions set loses power after short travel1 · 100%

When does it break?

Failure timing

Months after purchase, using reports that included timing.

What does it cost?

Reported repair costs

Distribution of owner-reported repair costs— not a quote or guarantee. Labor and parts prices vary by country.

No reported repair costs yet for this model.

Median months to failure

Failure reports

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Median repair cost

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Still recommend

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% repaired

% mfr warranty

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% extended warranty

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% support helpful

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What breaks?

What breaks? · reports

Power Functions set loses power after short travel

Power Functions motor/electrical system

0 months

Forum / discussionIndexed Aug 21, 2026Source-linkedVerify source — Reddit post

Reddit post by u/tinman20 (r/lego). New LEGO Technic 42065 RC Tracked Racer Power Functions set would only move ~12–24 inches before slowing and completely stopping despite trying multiple sets of brand-name and cheap batteries, indicating a hardware/power-system defect rather than weak cells.

UnverifiedEvidence ★★★☆☆

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Months until failure

0 months

Repair cost

Not stated

Repaired

Manufacturer warranty

Not stated

Extended warranty

Not stated

Support helpful

Not stated

Would recommend

Not stated

AI extraction confidence

87%

Verification status

Unverified

Evidence quality

★★★☆☆ (3/5)

Discussion

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