I'M AN OWNER OF A 2011 MOTO GUZZI GRISO MOTORCYCLE. UNFORTUNATELY, THE ENGINE IN THIS MOTORCYCLE, REFERRED TO AS AN 8V, AND THE ENGINES IN THOUSANDS OF OTHER MOTORCYCLES MADE BY THE COMPANY BETWEEN 2008 AND 2012, HAVE DEFECTIVE FLAT TAPPET CAMS. THE FLAT TAPPETS ARE COATED WITH DLC (DIAMOND-LIKE CARBON) THAT EVENTUALLY DE-LAMINATES AND CAUSES THE TAPPETS TO BREAK, RESULTING IN SEVERE ENGINE DAMAGE. THESE ENGINES HAVE RECENTLY BEGUN FAILING IN HUGE NUMBERS AS THEY ACCUMULATE MILEAGE, BUT MOTO GUZZI'S PARENT COMPANY, PIAGGIO, CLEARLY WANTS TO AVOID A COSTLY RECALL. THE DEFECT IS DANGEROUS BECAUSE IT COULD CAUSE A CRASH IF THE TAPPETS BREAK WHILE THE MOTORCYCLE IS BEING RIDDEN. MOTO GUZZI REALIZED THE DEFECT IN 2010 AND REDESIGNED THE CAMS TO REPLACE THE FLAT TAPPETS WITH A MUCH BETTER ROLLER DESIGN. DESPITE THE REDESIGN, THEY CONTINUED TO INSTALL THE DEFECTIVE CAMS IN MOTORCYCLES UNTIL MID-2012. THEY HAVE CREATED KITS THAT CAN BE PURCHASED AND INSTALLED TO REPLACE THE FLAT TAPPETS WITH THE ROLLERS IN ORDER TO PREVENT THE ENGINE FAILURE, BUT THE COST OF THIS TO OWNERS OF THE BIKES IS $2,000 TO $3,000 INCLUDING PARTS AND LABOR. PIAGGIO'S ACTIONS ARE MORALLY BEREFT. THEY KNOWINGLY CONTINUED TO PRODUCE THOUSANDS OF MOTORCYCLES WITH DEFECTIVE ENGINES AND THEY NOW REFUSE TO DO THE RIGHT THING AND RECALL THE BIKES. THEY WON'T EVEN PROVIDE THE UPGRADE KITS TO OWNERS FREE OF CHARGE. THEY SHOULD BE HELD ACCOUNTABLE. THESE FLAWED ENGINES WERE INSTALLED IN 3 MOTO GUZZI MODELS: GRISO, STELV
2011 Moto Guzzi Griso
Routine
Owners filed 1 complaints about this vehicle with federal regulators, most often about the engine. No safety recall has been issued.
What fails
| Component | Reports | Crashes | Fires | Injuries | |
|---|---|---|---|---|---|
| Engine | 1 | 0 | 0 | 0 |
What owners reported
Newest filingsEngine
Filed Nov 30, 20156,000 milesCA
1 of 1 complaints, reproduced as filed.
Across model years
Worst on record: 2007Reading this record
No unusual pattern of severe incidents in the complaint record.
Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.
Most recent recall on file: none. Source: NHTSA Office of Defects Investigation.