120R mileage and reliability
#42
09-21-2011, 06:36 PM
700+ big block Chevy bikes?
Which bike would that be? The biggest bike I see on there is 445hp 376cuin engine (http://www.bosshoss.com/view_bike.asp?x=BHC3LS3SS), which is a bored out 350. The 350 isn't a big block motor, it's a small block motor (http://en.wikipedia.org/wiki/GM_Small-Block_engine).
Which bike would that be? The biggest bike I see on there is 445hp 376cuin engine (http://www.bosshoss.com/view_bike.asp?x=BHC3LS3SS), which is a bored out 350. The 350 isn't a big block motor, it's a small block motor (http://en.wikipedia.org/wiki/GM_Small-Block_engine).
#43
10-17-2011, 06:37 PM
Stage III
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#45
10-18-2011, 02:02 PM
Join Date: Feb 2011
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#46
10-18-2011, 02:29 PM
Club Member
Sorry for the bad luck. So the million dollar question is what your enhancements to the motor will be...
#48
10-18-2011, 02:56 PM
Hello to all. I ran across this thread while searching for other 120R owners. I've got an 08 Fat Bob with a 120R (kit motor) and just hit 6,000 miles on the motor.
My motor recently started make some strange sound and when I took it to the dealer that did the motor the tech thought it might be a lifter issue. Well yesterday they started tearing into it and found that the bolt fastening the large chain sprocket had snapped off. The noise was from the head of the bolt banging around against the cover.
The bolt that I circled in read is what broke off.
Can anyone explain to me how or why this happened? Does anyone have an educated guess? I asked the tech at the dealer and he said he'd never seen anything like it. I'm not a gearhead at all. I have zilch in the way of mechanical aptitude. I am just wondering if it was something that I did that caused the problem or if there was something I could have done to prevent it from happening.
Any help or suggestions will be greatly appreciated.
My motor recently started make some strange sound and when I took it to the dealer that did the motor the tech thought it might be a lifter issue. Well yesterday they started tearing into it and found that the bolt fastening the large chain sprocket had snapped off. The noise was from the head of the bolt banging around against the cover.
The bolt that I circled in read is what broke off.
Can anyone explain to me how or why this happened? Does anyone have an educated guess? I asked the tech at the dealer and he said he'd never seen anything like it. I'm not a gearhead at all. I have zilch in the way of mechanical aptitude. I am just wondering if it was something that I did that caused the problem or if there was something I could have done to prevent it from happening.
Any help or suggestions will be greatly appreciated.
Zach
