RoadVitals

2015 Polaris Slingshot Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
8
Latest Sep 25, 2021
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
22%
of 36 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2015 Polaris Slingshot submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 8 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

Engine
Filed Sep 25, 2021

RPM hang on start and shifting gears on start engine rpm goes to 7000 and hangs there I have to shut it off and restart on shifting the rpms hang at the previous level Example in 1st gear shifting to 2nd Clutch at 2000 rpm stays there clutch out in 2nd maintains 2000 rpms with no increase on gas pedal/worse situation on startup have to shut engine down with the. Key to get it to reset

NHTSA ID
11434328
Incident
Sep 25, 2021
ElectricalEngine
Filed Aug 9, 2019

IN REGARDS TO AN INTERMITTENT PROBLEM I AM EXPERIENCING WITH MY POLARIS SLINGSHOT PURCHASED ON JUNE 6, 2015. SHORTLY AFTER PURCHASE I BEGAN EXPERIENCING EXTREMELY HIGH ENGINE EVOLUTIONS DURING THE PROCESS OF SHIFTING GEARS. I TOOK MY VEHICLE ON 06/162015 CLOSEST POLARIS DEALERSHIP XTREME MACHINES LOCATED 700 STATE HWY 33 WEST, MILLSTONE TOWNSHIP, NJ 732-786-9696. THE MECHANIC PERFORMED THE ROAD TEST BUT WAS NOT ABLE TO IDENTIFY THE PROBLEM. I THEN RETURNED TO THE DEALER AS THE PROBLEM WAS BECOMING MORE FREQUENT. THE DEALER INFORMED ME A ECU WAS UPDATED AND SHOULD FIX THE PROBLEM BUT TO NO AVAIL. *JS

NHTSA ID
11243613
Incident
Jun 4, 2015
Engine
Filed Feb 23, 2017

TL* THE CONTACT OWNS A 2015 POLARIS SLINGSHOT. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V754000 (ENGINE); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.

NHTSA ID
10956543
Incident
Sep 1, 2016
Engine
Filed Aug 12, 2016
1 injury reported

TL* THE CONTACT OWNS A 2015 POLARIS SLINGSHOT. WHILE DRIVING AT ANY SPEED, HEAT EMITTED FROM THE RADIATOR. WHILE EXITING THE MOTORCYCLE, THE CONTACT FEET WAS BURNED DUE TO THE EXTREME HEAT ALL THE TIME. MEDICAL ATTENTION WAS NOT REQUIRED. THE MOTORCYCLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT AN AIR FLOW KIT NEEDED TO BE INSTALLED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND STATED THAT THEY WERE UNAWARE. THE FAILURE MILEAGE WAS APPROXIMATELY 5,000. UPDATED 09/28/16*LJ *TR

NHTSA ID
10895401
Incident
Jul 12, 2016
Mileage
5,000 mi
Driver assistanceEngine
Filed Jun 23, 2015

FROM DAY ONE IVE EXPERIENCED OCCASIONAL TO FREQUENT ENGINE FLARES, WHICH IS, WHEN I PRESS THE CLUTCH ALL THE IN WHILE TAKING MY FOOT OFF OF THE THROTTLE, THE ENGINE RPM WILL HANG AT IT'S CURRENT VALUE AND WILL SOMETIMES INCREASE 500-1000 RPMS AND REMAIN THERE FOR SEVERAL SECONDS BEFORE REDUCING ON IT'S OWN. AT TIMES I CAN GO THROUGH SEVERAL SHIFTING EVENTS TO HOURS OF NORMAL OPERATION WITHOUT PROBLEMS BUT, THE FLARING HAS ALWAYS HAPPENED ON EVERY RIDE IVE BEEN ON. ABOUT THREE WEEKS AGO HE RE-FLASHED THE ECU WHICH MADE THE ENGINE RUN SMOOTHER BUT DID NOT FIX THE FLARING ISSUE. MY DEALER TELLS ME THAT POLARIS TELLS HIM, THAT ENGINE FLARING DURING SHIFTING IS NORMAL AND SHOULDNT BE WORRIED ABOUT. IF I'M DRIVING IT INCORRECTLY OR "SOMETHING IS INTERFERING BY HOLDING THE THROTTLE, IT WOULD HAPPEN EVERY TIME I SHIFTED HOWEVER, AFTER TODAY I NEED ACTION. I WAS IN MY GARAGE STARTING MY 2/15 BUILT SS SL WITH 3500 MILES. AS I HAVE FROM DAY ONE, I ALLOWED THE ECU TO COMPLETE THE BOOTING CYCLE AND ALLOWED THE FUEL PUMP TO STOP BEFORE I PRESSED THE DASHBOARD START BUTTON. THE ENGINE START CYCLE STARTED WITH A SLIGHTLY DIFFERENT SOUND, ALMOST AS IF THE ENGINE BACKFIRED SLIGHTLY BUT NOT AN ACTUAL BACKFIRE. AS THE ENGINE CAME TO LIFE THE RPM INSTANTLY WENT TO THE REV LIMITER AND HELD THERE FOR 1.5 TO 2.0 SECONDS THEN STARTED DOWN IN A FEW DECELERATING STAGES TO IDLE BEFORE I HAD MY WITS TO TURN OFF THE KEY. I WAS STUNNED AND MY WIFE, WHO WAS STANDING IN FRONT OF IT, JUST ABOUT DISLOCATED A HIP GETTING OUT OF THE WAY. THE FACT THAT YOU MUST PRESS THE CLUTCH IN IN ORDER FOR THE START CYCLE TO COMMENCE AND THE FACT THAT I ALWAYS START IN NEUTRAL, AVERTED CATASTROPHE. ALL OWNERS AND POLARIS SHOULD BE ON ALERT AND ARE HEREBY NOTIFIED MY DEALER HAS OFFERED TO COME AND PICK IT UP. POLARIS IS NOT BEING RESPONSIVE AT ALL ON THIS ISSUE.

NHTSA ID
10726812
Incident
Mar 16, 2015
Mileage
100 mi
Engine
Filed May 20, 2015

GAS PEDAL REVVING BY ITSELF BETWEEN 1-2-3-4 GEARS WHEN TAKING FOOT OFF THE PEDAL I REPORTED THE PROBLEM TO DEALER AND THEY HAD NO RECALL FORM POLARIS. I CALLED THE COMPANY AND DEALER 3-4 TIMES AND THEY HAD NO ANSWER FOR ME. THE GAS PEDAL VEVVS 500 TO 3000RPM WHEN I RELEASE THE THROTTLE GAS PEDAL .I JUST WENT TO THE DEALER FOR A CHANGE OF MICRO CLUTCH SWITCH WITH NO SUCCESS ON MAY19-2015. YOUR IMMEDIATE ATTENTION WOULD BE APPRECIATED. THE SLINGSHOT FORUM FOR OWNERS HAVE HAD MANY MANY COMPLAINTS WITH NO RESULTS. [XXX] [XXX] THERE IS A SLINGSHOT RALLY IN MAGGIE VALLEY NC.ON JUNE 09-2015 WITH AROUND 100 OWNERS GOING TO DRAGON TAIL RIDE WITH 318 CURVES IN 11MILES. I AM CONCERN. REPLY ASAP INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).? *JB

NHTSA ID
10717459
Incident
Jan 15, 2015
Mileage
500 mi
EngineOther / unspecified
Filed Apr 6, 2015

WE TOOK OUR SLINGSHOT SL BACK TO OUR DEALER TO HAVE THEM REMOVE AND CHECK FRONT WHEEL RIMS FOR CRACKLES DUE TO RECENT REPORTS OF OVER 10 OTHER SLINGSHOT OWNERS HAVING THEIR WHEELS RIMS FAILURE DUE TO CRACKS WHILE DRIVING. THE DEALER WOULD MULTIPLE CASTING IMPERFECTIONS AND ONE LARGE CRACK APPROX 1 INCH IN LENGTH AND 0.1 ML IN WIDTH (WIDE ENOUGH TO PUT A FINGERNAIL). POLARIS WAS CONTACTED BY THE DEALER AND BY US - AT THIS TIME POLARIS IS REFUSING TO ALLOW DEALERS TO REPLACE THESE DEFECTIVE CRACKED WHEEL RIMS. THE SECOND SAFETY ISSUE THIS MOTORCYCLE HAS IS THE RPMS INCREASE WHEN YOU TAKE YOUR FOOT OFF THE GAS PEDAL AND HOLD IN THE CLUTCH TO SHIFT GEARS CAUSING THE MOTORCYCLE TO REV UP. WE HAVE BEEN TOLD THE WHEEL RIMS ARE CAST ALUMINUM FROM CHINA AND ARE CONCERNED ABOUT OUR SAFETY WHEN DRIVING WITH THIS VEHICLE. AT THIS TIME WE HAVE PARKED OUR NEW 2015 SLINGSHOT UNTIL THESE SAFETY ISSUES CAN BE ADDRESSED BY POLARIS. *TR

NHTSA ID
10704009
Incident
Apr 6, 2015
Mileage
1,067 mi
Engine
Filed Jan 26, 2015

TL*THE CONTACT OWNS A 2015 POLARIS SLING SHOT (N/A). THE CONTACT STATED THAT WHILE DRIVING 10 MPH, THE TRACTION CONTROL WARNING LIGHT ILLUMINATED. THE FAILURE RECURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO THE DEALER, WHERE IT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 25.

NHTSA ID
10678915
Incident
Dec 19, 2014
Mileage
25 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .