Thanks, was Installing YS140L crank and ring

[Bob Kane]

No. These were replaced with the cam when the cam went out. It looked like it was a powdered metal part, the surface was flaking off. The new cam looks machined.

Ihncheol Park <PatternFlyer at msn.com> wrote:Bob,
I have a question.  Do FZ's Cam followers' have holes on them?
 
Thanks,
 
Ihncheol
 
-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On Behalf Of Bob Kane
Sent: Tuesday, June 03, 2003 4:28 AM
To: discussion at nsrca.org
Subject: Re: Thanks, was Installing YS140L crank and ring


The crank and crank ring.  (I changed the crankshaft front, rear, and cam bearings, but that was due to normal wear and an abnormal crash) My carb appears to be the large bore model, but I don't have anything to compare it to. Both my FZ carbs look the same. The carb and crankcase part numbers on the L and FZ are different, but that is because of the additional mount points for the YS soft mount on the carb and some chrome-like tape around the front bearing housing for the nose ring on the crankcase.
 
I also drilled 5 holes with a #59 number bit through the crown of the piston into the ring groove, AKA "gas port mod". I did this to my other FZ with no other changes and gained 350 RPM. I used the head bolt holes to mark the top of the piston before removing it, then drilled the holes perpendicular to the chamfer on the crown. The resulting holes end up going at an angle into the backside of the ring groove.
 
I probably won't be able to try out the motor for a few days, stay tuned.

jim ivey <jivey61 at msn.com> wrote:
Bob
 Please list all the parts you changed. I have a FZ I have tho't about doing that to. Did you change the carb?
Thanks 
Jim Ivey
 
----- Original Message -----
From: Bob Kane
Sent: Monday, June 02, 2003 11:23 PM
To: nsrca
Subject: Thanks, was Installing YS140L crank and ring
 
The newborn FZ to L conversion is ready to bench run. The crank ring and camshaft bearing installation was fairly easy with the tips from the list. Thanks to everyone who responded.


Bob Kane
getterflash at yahoo.com 

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Bob Kane
getterflash at yahoo.com 

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Bob Kane
getterflash at yahoo.com

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