2003 Yamaha ROAD STAR WARRIOR problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
26 owner complaints analyzed
1 distinct recall campaigns
4,100 mi median reported failure mileage
Scope: 2003 model year. Data updated: . 14 complaints include usable failure mileage. View data status.
Owner-reported patterns
Most common problems
Power Train:Manual Transmission is the most frequently named component, appearing in 17 of 26 complaints (65.4%). A complaint can name multiple components.
Recurring terms in complaint narratives
Topic
Matching reports
Share of complaints
Transmission and shifting
17
65.4%
Engine operation
1
3.8%
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
Power Train:Manual Transmission
17
Power Train:Automatic Transmission
4
Engine And Engine Cooling
2
Electrical System
1
Engine And Engine Cooling:Engine
1
Power Train
1
Unknown Or Other
1
Component breakdown data
Category
Count
Power Train:Manual Transmission
17
Power Train:Automatic Transmission
4
Engine And Engine Cooling
2
Electrical System
1
Engine And Engine Cooling:Engine
1
Power Train
1
Unknown Or Other
1
Power Train:Manual Transmission: 17; Power Train:Automatic Transmission: 4; Engine And Engine Cooling: 2; Electrical System: 1; Engine And Engine Cooling:Engine: 1; Power Train: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
Under 25,000
14
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
Category
Count
Under 25,000
14
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Under 25,000: 14; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (14). 12 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
2004
23
2006
2
2007
1
Complaints over time data
Category
Count
2004
23
2006
2
2007
1
2004: 23; 2006: 2; 2007: 1
Pattern summary
Power Train:Manual Transmission leads the component reports. Transmission and shifting appears in 17 complaint narratives. Engine operation appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
I RECEIVED A SAFETY RECALL NOTICE FROM YAMAHA CORP. U.S.A. CONCERNING A PROBLEM WITH MY 2002 YAMAHA ROADSTAR WARRIOR MOTORCYCLE. THE PROBLEM WAS WITH THE TRANSMISSION AND SERIOUS INJURY OR DEATH COULD RESULT IF THE BIKE IS OPERATED ACCORDING TO YAMAHA. I CALLED THREE LOCAL YAMAHA DEALERS AND ALL OF THEM INFORMED ME THAT YAMAHA CORPORATION U.S.A. HAD NOT PROVIDED THEM WITH THE PARTS TO FIX THE PROBLEM. ONE DEALER SAID EXPECT TO WAIT UNTIL ABOUT JUNE OR JULY BECAUSE ONCE THEY GOT THE PARTS THEY COULD FIX ONLY ABOUT TWO OR THREE MOTORCYCLES A W…
CONSUMER WAS NEVER NOTIFIED OF RECALL 03V309000 CONCERNING TRANSMISSION FAILURE. AFTER CONSUMER CONTACTED MANUFACTURER AND GOT THAT ISSUE RESOLVED DEALERSHIP DID NOT HAVE THE PARTS TO PERFORM REPAIRS. RECALL LETTER INDICATED NOT TO DRIVE THE MOTORCYCLE UNTIL RECALL REPAIRS WERE PERFORMED.*AK
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
26 unique complaints in this selection. Analysis snapshot: 2026-10-01.
53.8%Usable mileage14 / 26 records
88.5%Valid incident date23 / 26 records
100.0%Valid filing date26 / 26 records
88.5%Ordered incident and filing dates23 / 26 records
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
Component complaint heatmap
Component
2002
2003
2004
Power Train:Manual Transmission
5261.9%ODI 10025162 · 23,634 mi
YAMAHA 2002 ROAD STAR TRANSMISSION LOCKED UP, CAUSING THE REAR WHEEL TO ALSO LOCK UP AT BETWEEN 45-50 MPH WITH LITTLE WARNING.*AK
REGARDING: YAMAHA WARRIOR CAMPAIGN#03V309000. I LEARNED ON YOUR WEBSITE THAT RECALL STARTED AUG 03, YET I WAS NOTIFIED JAN 04. YAMAHA DEALER SAID PARTS NOT AVAILABLE TILL MARCH. I DO NOT CONSIDER THIS TO BE RECTIFYING A SAFETY PROBLEM "IN A TIMELY FASHION". *AK
TO WHOM IT MAY CONCERN: I AM NOT BEING TREATED FAIRLY BY THE YAMAHA CORPORATION. DUE TO THE RECALL STATUS OF MY 2003 ROADSTAR WARRIOR, THE YAMAHA CORPORATION IS COSTING ME MONEY AS MY MOTORCYCLE IS SITTING IN MY GARAGE WAITING FOR PARTS FOR THE RECALL. I NOW HAVE A MOTORCYCLE THAT I CANNOT RIDE BECAUSE OF THE RECALL, BUT MY PAYMENTS AND MY INSURANCE PAYMENTS ON THIS MOTORCYCLE KEEP COMING? I REALIZE WHEN DEALING WITH MACHINES OF THIS NATURE RECALLS CAN HAPPEN. THE RECALL ITSELF IS NOT THE REASON FOR THIS LETTER. THE ISSUE IS YAMAHA'S …
TWO MONTHS AGO THE CONSUMER RECEIVED A RECALL LETTER REGARDING THE TRANSMISSION. THE DEALERSHIP STILL DOES NOT HAVE THE PARTS AVAILABLE TO CONDUCT THE RECALL. THE DEALER WAS CONTACTED AND THE INDICATED THAT THE CONSUMER SHOULD WAIT AN ADDITIONAL TWO MONTHS. *NM
TWO MONTHS AGO CONSUMER RECEIVED A RECALL LETTER REGARDING TRANSMISSION. DEALERSHIP STILL DID NOT HAVE THE PARTS AVAILABLE TO CONDUCT RECALL FREPAIRS. THE DEALER WAS CONTACTED ,AND INDICATED THAT CONSUMER SHOULD WAIT UNTIL THE MONTH OF MAY. *AK
CONSUMER HAD BEEN WAITING ON PARTS FOR THE ROADSTAR FOR OVER 60 DAYS. DEALER STATED PARTS WERE STILL NOT AVAILABLE. TOUSLEY MOTOR SPORTS, 1400 E. COUNTY E. WHITELAKE , MN 55110 [phone removed]. *AK
RIDING 2003 YAMAHA ROADSTAR WARRIOR ON PUBLIC HIGHWAY ENGINE STOPPED, DIAGNOSTIC CODE 12 SHOWED ON SPEEDOMETER CPS( CRANK SHAFT POSITIONING SENSOR) WIRE BROKE. NEED TO ORDER NEW SENSOR. *JB
1) CODE 12, CRANKSHAFT POSITION SENSOR. MOTORCYCLE LOSES ALL POWER AT ANY SPEED. MOTORCYCLE INOPERATIVE. NO PRIOR INDICATION OR WARNING. 2) THIS HAS HAPPENED TO ME ON 3 DIFFERENT OCCASIONS. TWICE AT HIGHWAY SPEEDS EXCEEDING 80 MPH. THIS WILL EVENTUALLY LEAD TO A FATALITY AND NEEDS TO BE DEEMED AS A "RECALL". 3) I REPLACED THE PART AT MY EXPENSE 3 TIMES. *NM
ENGINE STARTED CUTTING OUT AND BACK FIRING AT 70 MPH ON RT15 NEAR ST. GEORGE , UTAH. WAS ABLE TO NURSE BIKE HOME OVER A TWO DAY PERIOD BY NOT EXCEEDING 67~68 MPH DRIVING IN THE TRUCK LANE ON RT15 DURING LABOR DAY WEEKEND ON 75 MPH ACCESS HIGHWAY. REPLACED PICKUP SENSOR (CRANKSHAFT POSITION SENSOR) AND LEFT ENGINE COVER GASKET. *JB
2002 YAMAHA ROADSTAR WARRIOR TRANSMISSION RECALL (2,995 MI.). MY COMPLAINTS: COMPLAINT 1: THE PARTS TO AFFECT THE REPAIRS ARE NOT AVAILABLE TO THE DEALERS. NO FIRM TIMEFRAME HAS BEEN GIVEN TO THE DEALERS, BUT EXPECTATIONS ARE THAT PARTS WILL BEGIN TO ARRIVE BY MARCH, 2004. DEALERS EXPECT FROM 1 TO 3 DAYS OF WORK FOR EACH MOTORCYCLE TO BE REPAIRED. THE WAITING LIST IS GOING TO BE LARGE AND THE WAIT FOR REPAIRS CONSIDERABLE. I CANNOT USE MY MOTORCYCLE UNTIL THE REPAIR IS MADE. I HAVE LOST THE ENJOYMENT OF THIS PRODUCT, I AM PAYING …
RECALL OF YAMAHA ROAD STAR WARRIOR MOTORCYCLE. YAMAHA DOES NOT HAVE PARTS FOR THE RECALL AND WILL NOT PROVIDE A WARRANTY ON A COMPLETELY REBUILT ENGINE (WITH ONLY 600 ORIGINAL MILES). THE MOTORCYLE IS PARKED WHILE PAYMENTS AND INSURANCE IS PAID. YAMAHA DOES NOT KNOW WHEN TH EPARTS WILL BE AVAILABLE FOR THE RECALL.*AK
2004 YAMAHA ROADSTAR WARRIOR "CRANK SHAFT POSITION SENSOR FAILURE" DATE OF FAILURE AUGUST, 30 2004 APPROX 3000 MILES PURCHASE DATE: JUNE 2004 1.) I WAS TRAVELING ON MY 2004 YAMAHA ROADSTAR WARRIOR AT 65 MPH IN CONGESTED HIGHWAY CONDITIONS AT NIGHT PRIOR/DURING THE DURING THE COMPONENT (CRANK SHAFT POSITION SENSOR) FAILURE. 2.) DUE TO THE "CRANK SHAFT POSITION SENSOR FAILURE" THE MOTORCYCLE'S MOTOR STOPPED RUNNING, I THEN PULLED/ACTIVATED THE MOTORCYCLE'S CLUTCH TO ALLOW THE VEHICLE TO CONTINUED IT'S FORWARD MOVEMENT/MOMENTUM, ALLOWING ME T…
2004 YAMAHA ROADSTAR WARRIOR "CRANK SHAFT POSITION SENSOR FAILURE" DATE OF FAILURE AUGUST, 30 2004 APPROX 3000 MILES PURCHASE DATE: JUNE 2004 1.) I WAS TRAVELING ON MY 2004 YAMAHA ROADSTAR WARRIOR AT 65 MPH IN CONGESTED HIGHWAY CONDITIONS AT NIGHT PRIOR/DURING THE DURING THE COMPONENT (CRANK SHAFT POSITION SENSOR) FAILURE. 2.) DUE TO THE "CRANK SHAFT POSITION SENSOR FAILURE" THE MOTORCYCLE'S MOTOR STOPPED RUNNING, I THEN PULLED/ACTIVATED THE MOTORCYCLE'S CLUTCH TO ALLOW THE VEHICLE TO CONTINUED IT'S FORWARD MOVEMENT/MOMENTUM, ALLOWING ME T…
RECALL ISSUED JANUARY 30, 2004 AND MOTORCYCLE HAD YET TO BE REPAIRED. THE MOTORCYCLE CANNOT BE USED UNTIL ALL RECALL REPAIRS HAVE BEEN COMPLETED. *PH *MR
RIDING 2003 YAMAHA ROADSTAR WARRIOR ON PUBLIC HIGHWAY ENGINE STOPPED, DIAGNOSTIC CODE 12 SHOWED ON SPEEDOMETER CPS( CRANK SHAFT POSITIONING SENSOR) WIRE BROKE. NEED TO ORDER NEW SENSOR. *JB
GOING SOUTH BOUND ON I15 AND HAD A SEMI BEHIND ME AND ALL OF A SUDDEN THE BIKES CUTS OUT LIKE IT'S RUNNING OUT OF FUEL IT SLOWED ME DOWN TO 55 MY AND GLANCED IN MY MIRROR AND SEEN THE SEMI RIGHT ON MY BUT AS IF HE DID NOTICE ME SLOWING DOWN THEN ALL OF A SUDDEN THE BIKE STARTS GOING AGAIN AND I WAS ABLE TO GO OVER THREE LANES TO GET OUT OF HIS WAY I STAYED THEIR NOT KNOWING IF IT WAS GOING TO HAPPEN AGAIN AND OF COURSE IT DID IT HAPPENED THREE TIMES BEFORE I DECIDED TO GET OFF THE FREE WAY THIS PROBLEM SHOULD BE RECALLED TO HAVE THE ISSUE RESOL…
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
Component failure mileage distribution
Component
Mileage range (25th–75th percentile)
Median
Usable records
Examples
Power Train:Manual Transmission
2,450–7,250 mi
5,000 mi
6
ODI 10056518 · 8,000 mi
REGARDING: YAMAHA WARRIOR CAMPAIGN#03V309000. I LEARNED ON YOUR WEBSITE THAT RECALL STARTED AUG 03, YET I WAS NOTIFIED JAN 04. YAMAHA DEALER SAID PARTS NOT AVAILABLE TILL MARCH. I DO NOT CONSIDER THIS TO BE RECTIFYING A SAFETY PROBLEM "IN A TIMELY FASHION". *AK
CONSUMER WAS NEVER NOTIFIED OF RECALL 03V309000 CONCERNING TRANSMISSION FAILURE. AFTER CONSUMER CONTACTED MANUFACTURER AND GOT THAT ISSUE RESOLVED DEALERSHIP DID NOT HAVE THE PARTS TO PERFORM REPAIRS. RECALL LETTER INDICATED NOT TO DRIVE THE MOTORCYCLE UNTIL RECALL REPAIRS WERE PERFORMED.*AK
YAMAHA ROAD STAR WARRIOR RECALL, THE MOTORCYCLE WILL NOT BE FIXED FOR MORE THAN 30 DAYS AND STILL COUNTING BOUGHT NEW IN JULY 2003 AT WILLY WORLD IN JOLIET ILL. FROM WHAT I HAVE GATHERED CAN I HAVE YAMAHA FORCED TO BUY MY BIKE BACK, ACCORDING TO LEMON LAWS, YAMAHA DID NOT LET ME KNOW THIS, AND I CANT RIDE THE BIKE BECAUSE IT STATES IN THE RECALL LETTER I MUST NOT , ITS UNSAFE, NO INFO FROM DEALERSHIP WHEN IT CAN BE FIXED , THEY SAY THEY ARE WAITING ON YAMAHA TO GET OUT PARTS AND WHO KNOWS WHEN THAT WILL BE. *JB
TWO MONTHS AGO CONSUMER RECEIVED A RECALL LETTER REGARDING TRANSMISSION. DEALERSHIP STILL DID NOT HAVE THE PARTS AVAILABLE TO CONDUCT RECALL FREPAIRS. THE DEALER WAS CONTACTED ,AND INDICATED THAT CONSUMER SHOULD WAIT UNTIL THE MONTH OF MAY. *AK
ON JANUARY 9, 2004 CONSUMER RECEIVED A RECALL LETTER REGARDING TRANSMISSION. DEALERSHIP STILL DOES NOT HAVE THE PARTS AVAILABLE TO CONDUCT RECALL REPAIRS. DEALER HAS BEEN VERY COOPERATIVE. HOWEVER, MANUFACTURER IS THE PROBLEM, THE 1-800 TELEPHONE NUMBER IS DISCONNECTED,AND CONSUMER CANNOT GET IN TOUCH WITH MANUFACTURER. *AK
ON JANUARY 12, 2004 CONSUMER RECEIVED A RECALL LETTER REGARDING TRANSMISSION. DEALERSHIP STILL DOES NOT HAVE THE PARTS AVAILABLE TO CONDUCT THE RECALL. FLOOR MANGER WAS CONTACTED, AND HE INDICATED THAT THE CONSUMER SHOULD WAIT UNTIL THE COMPONENT PART ON RECALL WILL BE AVAILABLE.*AK
RIDING 2003 YAMAHA ROADSTAR WARRIOR ON PUBLIC HIGHWAY ENGINE STOPPED, DIAGNOSTIC CODE 12 SHOWED ON SPEEDOMETER CPS( CRANK SHAFT POSITIONING SENSOR) WIRE BROKE. NEED TO ORDER NEW SENSOR. *JB
VISITING DAYTONA BIKE WEEK 2007. ENGINE SHUT DOWN WHILE TRAVELING AT HIGHWAY SPEED ON FREEWAY. AFTER MOTORISTS GRACIOUSLY ALLOWED ME THROUGH TRAFFIC TO THE SHOULDER HAD ERROR CODE 12 AND MOTORCYCLE WOULD NOT START. TRAILERED TO YAMAHA DEALER AND THEY SAID CRANKCASE POSITION SENSOR (CPS) HAD BECOME SEPARATED FROM ITS CONNECTING WIRE INSIDE THE ENGINE. LOCAL DEALER FIXED NEXT DAY AT COST OF SEVERAL HUNDRED DOLLARS. DID NOT HAVE PART SO SOLDERED CONNECTION. CONCERNS: A) PART SHOULD BE REPLACED NOT REPAIRED; B) THIS IS OCCURRING ON MANY OTHE…
RECALL OF YAMAHA ROAD STAR WARRIOR MOTORCYCLE. YAMAHA DOES NOT HAVE PARTS FOR THE RECALL AND WILL NOT PROVIDE A WARRANTY ON A COMPLETELY REBUILT ENGINE (WITH ONLY 600 ORIGINAL MILES). THE MOTORCYLE IS PARKED WHILE PAYMENTS AND INSURANCE IS PAID. YAMAHA DOES NOT KNOW WHEN TH EPARTS WILL BE AVAILABLE FOR THE RECALL.*AK
RE: NHTSA CAMPAIGN ID# 03V309000. I OWN A 2003 YAMAHA ROAD STAR WARRIOR EFFECTED BY THIS RECALL. I CONTACTED 2 DEALERSHIPS AND HAVE BEEN INFORMED BY BOTH THAT YAMAHA IS NOT HANDLING WELL. THEY OFFER NO DATE TO REPAIR MY VEHICLE STATING THAT THE MANUFACTURER IS NOT PROVIDING PARTS. ONE SAID THAT AT THE CURRENT RATE OF PARTS RECEIPT IT WOULD BE 6 MONTHS OR MORE BEFORE RESOLUTION. (LEBARD & UNDERWOOD - LAHABRA, CA AND HAHM MOTORSPORTS - ANAHEIM, CA WERE THE DEALERS). I NEXT CONTACTED THE MANUFACTURER DIRECTLY (AS PER THEIR WEBSITE AT [phon…
RIDING 2003 YAMAHA ROADSTAR WARRIOR ON PUBLIC HIGHWAY ENGINE STOPPED, DIAGNOSTIC CODE 12 SHOWED ON SPEEDOMETER CPS( CRANK SHAFT POSITIONING SENSOR) WIRE BROKE. NEED TO ORDER NEW SENSOR. *JB
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
Monthly complaint and recall timeline
Month
Complaints
Campaigns announced
Examples
2024-11
0
None
No examples available for this selection.
2024-12
0
None
No examples available for this selection.
2025-01
0
None
No examples available for this selection.
2025-02
0
None
No examples available for this selection.
2025-03
0
None
No examples available for this selection.
2025-04
0
None
No examples available for this selection.
2025-05
0
None
No examples available for this selection.
2025-06
0
None
No examples available for this selection.
2025-07
0
None
No examples available for this selection.
2025-08
0
None
No examples available for this selection.
2025-09
0
None
No examples available for this selection.
2025-10
0
None
No examples available for this selection.
2025-11
0
None
No examples available for this selection.
2025-12
0
None
No examples available for this selection.
2026-01
0
None
No examples available for this selection.
2026-02
0
None
No examples available for this selection.
2026-03
0
None
No examples available for this selection.
2026-04
0
None
No examples available for this selection.
2026-05
0
None
No examples available for this selection.
2026-06
0
None
No examples available for this selection.
2026-07
0
None
No examples available for this selection.
2026-08
0
None
No examples available for this selection.
2026-09
0
None
No examples available for this selection.
2026-10 (partial)
0
None
No examples available for this selection.
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2003: 22 complaints · 2004: 6 complaints
Equal observation windows
Model year
Through age 0
Through age 1
Through age 2
2003
1
22
22
2004
3
4
6
Date coverage across each selected cohort
Date basis for all complaints in selected model years
Year
Incident dates used
Filing date fallbacks
Excluded dates
2003
22
3
1
2004
6
1
0
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
Component co-occurrence matrix
Component
Power Train:Manual Transmission
Power Train:Automatic Transmission
Engine And Engine Cooling
Electrical System
Engine And Engine Cooling:Engine
Power Train
Unknown Or Other
Power Train:Manual Transmission
—
0
0
0
0
0
0
Power Train:Automatic Transmission
0
—
0
0
0
0
0
Engine And Engine Cooling
0
0
—
0
0
0
1ODI 10159578 · 11,700 mi
RIDING 2003 YAMAHA ROADSTAR WARRIOR ON PUBLIC HIGHWAY ENGINE STOPPED, DIAGNOSTIC CODE 12 SHOWED ON SPEEDOMETER CPS( CRANK SHAFT POSITIONING SENSOR) WIRE BROKE. NEED TO ORDER NEW SENSOR. *JB
RIDING 2003 YAMAHA ROADSTAR WARRIOR ON PUBLIC HIGHWAY ENGINE STOPPED, DIAGNOSTIC CODE 12 SHOWED ON SPEEDOMETER CPS( CRANK SHAFT POSITIONING SENSOR) WIRE BROKE. NEED TO ORDER NEW SENSOR. *JB
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
2 patterns with matching reports.
Battery drain and no-start mentions
1 mentions · 3.8% of complaints
Median mileage: 7,811 mi (1 usable records).
ODI 10197145 · 7,811 mi
VISITING DAYTONA BIKE WEEK 2007. ENGINE SHUT DOWN WHILE TRAVELING AT HIGHWAY SPEED ON FREEWAY. AFTER MOTORISTS GRACIOUSLY ALLOWED ME THROUGH TRAFFIC TO THE SHOULDER HAD ERROR CODE 12 AND MOTORCYCLE WOULD NOT START. TRAILERED TO YAMAHA DEALER AND THEY SAID CRANKCASE POSITION SENSOR (CPS) HAD BECOME SEPARATED FROM ITS CONNECTING WIRE INSIDE THE ENGINE. LOCAL DEALER FIXED NEXT DAY AT COST OF SEVERAL HUNDRED DOLLARS. DID NOT HAVE PART SO SOLDERED CONNECTION. CONCERNS: A) PART SHOULD BE REPLACED NOT REPAIRED; B) THIS IS OCCURRING ON MANY OTHE…