View Full Version : Fuel petcock screw
Rkangel7
08-09-2010, 09:01 AM
What size is the fuel petcock screw? Mine fell out during my last ride and I need to find a replacement.
Thanks!
mjc400ex
08-09-2010, 10:39 AM
Its #5-35 Thread & your best guess on length.
Good luck finding that one.
Thats from http://www.dgy.com/fiche_select2.asp?category=ATVs&make=HONDA&year=2003&fveh=3831 in the fuel tank section
Langbolt
08-09-2010, 11:31 AM
It's a M5x35 - meaning the thread is 5mm and the length is 35mm long
Any Honda dealer can get it
Home depot or Lowe's mostly carry imperial threads.....but you can try them for METRIC
Too bad they're weren't more places to get METRIC fastners
It all depends were ya are.
:devil:
Home depot or lowes probably has it, might have to get a longer one and shim it with washers or cut it down.
Honda probably has too order it or has it, bit its like 5 buckets I bet.
mjc400ex
08-09-2010, 03:21 PM
Originally posted by Langbolt
It's a M5x35 - meaning the thread is 5mm and the length is 35mm long
Any Honda dealer can get it
Home depot or Lowe's mostly carry imperial threads.....but you can try them for METRIC
Too bad they're weren't more places to get METRIC fastners
It all depends were ya are.
:devil:
Thats right, my bad, there should really be a pitch number for a metric screw such as 1.0 threads/in.
Thats what confused me.
Rkangel7
08-09-2010, 06:35 PM
Spot on! Thanks guys!
Langbolt
08-09-2010, 07:49 PM
Hey MJC400EX
The Difference in Metric thread pitch and Imperial thread pitch is that Metric is measured between each individual thread and Imperial threads are measured in the number of threads per inch.
eg.
M6-1.0 = 6mm diameter with a pitch 1mm between each thread
so if that bolt is 25mm long it has exactly 25 threads.
Imperial's
1/4-20UNC = 1/4 diameter with a course thread count of 20 / inch
Most of the Metrics on our bikes are:
M6x1.0
M8x1.25
M10x1.25 ----> Very hard to find other than OEM
Hope this helps
:devil:
mjc400ex
08-10-2010, 06:57 AM
Yeah you are absolutely right. I don't know what I was thinking. Let's call it a brain fart. I feel like a jerk to say it but I have a mechanical engineering degree!
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