Thread: Gas Cap Install
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Old June 17th, 2020, 10:39 AM   #19
arthury
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Name: Arthur
Location: Sammamish , WA
Join Date: Jun 2020

Motorcycle(s): 2008 Ninja EX250J; 2005 CBR1000RR

Posts: 108
Quote:
Originally Posted by DannoXYZ View Post
Hi, it's common issue due to flaws in original design. Here's discussion I made on them: https://www.ninjette.org/forums/showthread.php?t=344615

Discovered seal issue under max-braking going into T-10 @ Thunderhill and about 2-gallons of gas flowed out from gap between cap & tank!

Original O-ring is low-quality material and degrades quickly. I rummaged through back of auto-parts store and found genuine butyl-rubber flat O-ring that matches. I've had to use 2 O-ring seals. Glued them together with Yamabond-4 and to cap & tank on top & bottom as well.


BTW - OP mis-installed his cap. Should've been clocked 60-degrees to left and use short "dummy" holes for mounting so fill-holes line up. Longer mounts hang over nothing and their longer-length is accomodated by larger non-threaded holes. No grinding necessary.
Thanks for highlighting the issues. Appreciate it.

So, has anyone seen a 3rd party solution out there besides SSR that really works without us replacing o-rings or pasting o-rings together?
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