660R engine cutting out periodically> Help please

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willieo

Pack Dog
Joined
Jan 12, 2011
Messages
168
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4
Location
Eastern Cape
Bike
Yamaha Super Tenere
Hi All,

My 660R is a 2007 model with 25K on the clock.
Never missed a service and I do oil changes every 2500km as well.

Never missed a beat but on three occasions recently doing varying speeds the engine simply cut out / dead flat spot for about 1-3 seconds.
The first couple of times it happened when I was doing about 120KM/h whilst accelerating.
Initially I thought it was dirty fuel, but yesterday when I started the bike it sounded like the battery terminals weren’t making proper contact as the engine didn’t turn in sync with me pushing the starter button (if that makes sense) So that points me to a Fuel injection??

For info I’ve used Wynns injection cleaner on the current tank, but I’ve done that since I’ve had the bike.

Has anyone experienced similar issues? And any advice before going to the agents
 
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