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2004 Kzrv Sportsmen Sportster

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 1 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Tires. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Tires complaints

3 reports
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18,000 miles · Oct 6, 2006
Tires

2 TIRE FAILURES, NANKANG BRANDED SOLD BY TIRE-CO SIZE ST235 80R16 LOAD RANGE E STAMPED 3520LB @ 80 PSI. LOST 1 @ 60 MPH IN THE RAIN, LOST ENTIRE TREAD AND SUCH, DID $2500 DAMAGE TO RV, LOST OTHER ON APPROX 3 MONTHS LATER, 65 MPH 75 DEG AND ABOUT $2400 IN REPAIRS. TOTAL GVWR IS 18K, 6 TIRES = 21120LB AND INFLATION WAS CHECKED DAI…

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2 TIRE FAILURES, NANKANG BRANDED SOLD BY TIRE-CO SIZE ST235 80R16 LOAD RANGE E STAMPED 3520LB @ 80 PSI. LOST 1 @ 60 MPH IN THE RAIN, LOST ENTIRE TREAD AND SUCH, DID $2500 DAMAGE TO RV, LOST OTHER ON APPROX 3 MONTHS LATER, 65 MPH 75 DEG AND ABOUT $2400 IN REPAIRS. TOTAL GVWR IS 18K, 6 TIRES = 21120LB AND INFLATION WAS CHECKED DAILY COLD, SET TO 80 PSI. 3 RD TIRE WAS GOING SO REPLACED ALL WITH A LT TYPE GOODYEAR, TIRE-CO DID PAY PARTIAL ON REPAIRS BUT TOOK THE "DEFECTIVE" TIRE BACK PRIOR TO PAYMENT. HAVE SEEN MANY REPORTS ON THE NET OF THE SAME ISSUE , THE TIRE ARE STAMPED NANKANG, FREESTAR AND A 3RD NAME THAT I CAN NOT RECALL. *JB

NHTSA ODI #10170100

Mileage unknown · Aug 9, 2006
Tires

WHILE ON VACATION I HAD 2 TIRE SEPARATION PROBLEMS WITH ONE RESULTING IN A BLOWOUT WITH DAMAGE. THESE TIRES ARE NANKANG 235/80R16 WERE ONLY 2 YEARS OLD AND ABOUT 4 THOUSAND MILES ON THEM. THESE CAME NEW ON MY 2004 KZ 40 FT 5TH WHEEL TRAILER AND HAD VIRTUALLY NO TREAD WEAR. THERE HAVE BEEN NUMEROUS OTHER COMPLAINTS ON THESE TIRE…

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WHILE ON VACATION I HAD 2 TIRE SEPARATION PROBLEMS WITH ONE RESULTING IN A BLOWOUT WITH DAMAGE. THESE TIRES ARE NANKANG 235/80R16 WERE ONLY 2 YEARS OLD AND ABOUT 4 THOUSAND MILES ON THEM. THESE CAME NEW ON MY 2004 KZ 40 FT 5TH WHEEL TRAILER AND HAD VIRTUALLY NO TREAD WEAR. THERE HAVE BEEN NUMEROUS OTHER COMPLAINTS ON THESE TIRES. *JB

NHTSA ODI #10165098

Mileage unknown · Jun 20, 2006
Tires

TIRE FAILURE CAUSED SHOCKS TO BREAK OFF AND TEAR. THIS MUTILATED AND BEAT THE SIDES OF RV (NANKANG TIRE). *NM

NHTSA ODI #10160279

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.