Front master cylinder question
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6th Gear
Joined: Jan 2009
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From: Colorado
Front master cylinder question
I'm going to the swap meet this weekend in Denver looking for a chrome master cylinder and such for the handle bars on my 07 WG.
I see that there is one for single disk and one for dual disks.
Is there a problem with getting one for dual disks and only run single disk?
Some time in the future i may upgrade to dual and don't want to have to by a new one at that time.
Thanks in advance.
phidoux
I see that there is one for single disk and one for dual disks.
Is there a problem with getting one for dual disks and only run single disk?
Some time in the future i may upgrade to dual and don't want to have to by a new one at that time.
Thanks in advance.
phidoux
"dont do it unless you have a death wish"
More info te be found in this thread:
Master Cylinder bore, 9/16-11/16
Master cylinders designed for dual disc (2 caliper) operation have an 11/16 in. (17.5 mm) bore (Kit No. 45281-99C), while those that are designed for single disc (1 caliper) operation have a 9/16 in. (14.3 mm) bore (Kit No. 45284-99C).
The bore size is stamped on the master cylinder assembly inboard of the handlebar clamp bracket.
Here's a link to the Instruction Sheet for the Chrome master cylinder:
"WARNING
Do not use parts from single caliper repair kits (9/16 inch bore) on dual caliper models. Likewise, do not use parts from dual caliper repair kits (11/16 inch bore) on single caliper models. Using incorrect parts can cause brake failure, which could result in death or serious injury. (00278a)"
Master Cylinder bore, 9/16-11/16
Master cylinders designed for dual disc (2 caliper) operation have an 11/16 in. (17.5 mm) bore (Kit No. 45281-99C), while those that are designed for single disc (1 caliper) operation have a 9/16 in. (14.3 mm) bore (Kit No. 45284-99C).
The bore size is stamped on the master cylinder assembly inboard of the handlebar clamp bracket.
Here's a link to the Instruction Sheet for the Chrome master cylinder:
"WARNING
Do not use parts from single caliper repair kits (9/16 inch bore) on dual caliper models. Likewise, do not use parts from dual caliper repair kits (11/16 inch bore) on single caliper models. Using incorrect parts can cause brake failure, which could result in death or serious injury. (00278a)"
Last edited by FXD2003Rider; Jan 25, 2012 at 07:59 AM.
Seasoned HDF Member
Joined: Mar 2010
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From: Honah Lee
Never rebuilt one of these. In the instruction sheet, item 6 or 9 reservoir actually appears to be the cylinder. I had thought the repair kit item 11 was the piston and cylinder that slid in the reservoir. Is this not true?
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