Service brakes, hydraulic: foundation components: master cylinder (Rupp)
Vehicle recall 74V-191. NHTSA received RUPP INDUSTRIES, INC.’s report on Oct 22, 1974.
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The short answer
NHTSA received RUPP INDUSTRIES, INC.’s report on Oct 22, 1974. Copied from NHTSA on Oct 20, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
The notice gives no hazard in a field of its own.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- NHTSA’s part: Service brakes, hydraulic: foundation components: master cylinder.
What should you do?
The notice gives no remedy in a field of its own.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- How to reach the firm: RUPP INDUSTRIES INC CAMPAIGN NO N/A.3-WHEEL MOTORCYCLE BUILT AUG.20, 1974THRU OCT.3, 1974.POSSIBILITY THAT SOME MASTER BRAKE CYLINDERS (1) WEREMANUFACTURED WITH A RESIDUAL PRESSURE VALVE.THE RESIDUAL PRESSURE VALVE MAYHAVE TRAPPED AIR WHICH MIGHT CAUSE OVER HEATING OF THE BRAKE CALIPER ASSEMBLY.(2) WERE MANUFACTURED WITH A CYLINDER CUP OF INSUFFICIENT DIAMETER.THIS SIZECUP WILL NOT AFFECT PROPER SEAL AGAINST BRAKE FLUID.(3) CONTAINED FOREIGNMATTER WITHIN THE CYLINDER.THE FOREIGN MATTER COULD LODGE ON THE CUP LIP,CAUSING PHYSICAL DAMAGE TO THE CYLINDER CUP.IF ANY OF THE PROBLEMS EXIST,COMPLETE BRAKE FAILURE COULD RESULT.(CORRECT BY REPLACING MASTER CYLINDER ANDCLEANING BRAKE LINES).
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 439 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- Rupp Centaurand 1974, before the model years listed here
Who is recalling it?
- Made by RUPP INDUSTRIES, INC..
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.