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Home > Help Needed / General Tech Chat > any different bewteen Single Groove Valve Spring Top Cap and triple one?

jom

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9th Dec, 2009 at 11:57:00am

hi , i bought some racing EX valves they are single groove. and the old one is triple groove. do i need change the cap as well?

Vegard

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Norway

9th Dec, 2009 at 11:58:25am

If you mean the retainer, YES.

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.

jom

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9th Dec, 2009 at 12:03:08pm




On 9th Dec, 2009 Vegard said:
If you mean the retainer, YES.


ok, thank you

MikeRace

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9th Dec, 2009 at 03:11:45pm

What are the middle ones v?

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joeybaby83

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Isle of Man

9th Dec, 2009 at 04:02:50pm

the middle ones are old school, i think the 998 coopers (295) sported that type

basically they have a huge single groove, and held on the valve by a 'r' circlip, apparently not very good for hi revs

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Previously josh4444

Australia, brisbane

4th May, 2012 at 11:58:51am

i had a cracked retainer on my 1098 it was the middle type with the large single grove
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