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Author Topic: R65 engines  (Read 820 times)

Dizerens5

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R65 engines
« on: April 12, 2012, 11:22:29 AM »
Hi people, just for once I'm not yelling for help. Just wanted to remark on a strange aspect of my 79 engine and wondering if they are all the same. It's this: the engine doesn't care much at all about ignition setting, which can be way out and not make any noticeable difference. But it's super-sensitive to carb settings. Recently I replaced the ancient carb floats and needles and did a new setup. A half-turn on the idle mixture screws can make the difference between an engine which starts instantly and one which is almost impossible to start at all. And a one-eighth turn on the throttle stop screws can change a 3,000 rpm "idle" to a good steady idle at around 900 rpm. It doesn't matter, the bike runs just fine, but I wonder if they are all like that!

Offline Bob_Roller

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Re: R65 engines
« Reply #1 on: April 12, 2012, 11:30:02 AM »
Seems like the carb adjustments are quite noticeable/finicky with these bikes, it's a bit of an 'art' to get them dialed in correctly .

I'm not overly experienced with other makes of bikes, only Asian bike I had, was a '79 Yamaha XS400, never messed with the carbs the entire time I had the bike .
'81 R65
'82 R65 LS
'84 R65 LS
'87 Moto Guzzi V65 Lario
'02 R1150R
Riding all year long since 1993 .
I'll give up my R65, when they pry my cold dead hands from the handlebars !!!!!