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Ryca decompression linkage issues (Read 237 times)

justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Ryca decompression linkage issues Reply #15 - 03/31/12 at 08:11:55 Yea, you need to prove you arent getting valve lift before you go tearing into it. I liked that last one, otta hear it comin past the valve. I cant remember how long the decomp timer holds the solenoid engaged, I DO remember being surprised at what a short amount of time it was,, IIRC, it was less than 1/2 second,
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Gyrobob

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Posers ain't
motorcyclists

Posts: 2571
Newnan, GA
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Re: Ryca decompression linkage issues
Reply #16 - 03/31/12 at 13:35:50

justin_o_guy2 wrote on 03/31/12 at 08:11:55:

Yea, you need to prove you arent getting valve lift before you go tearing into it. I liked that last one, otta hear it comin past the valve.
I cant remember how long the decomp timer holds the solenoid engaged, I DO remember being surprised at what a short amount of time it was,, IIRC, it was less than 1/2 second,

Yup,.. you'll hear it hissing plainly with the exhaust header uninstalled, and you can even hear it at the end of the muffler if you have the whole exhaust system installed.

Yup, you only have to hold the lever down long enough for the engine to turn over only about twice,.. after that the starter motor just has to KEEP it spinning over,.. not force it up against a compression stroke with no flywheel effect.

If you think there's good in everyone, you haven't met everyone.

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Retread Senior Member Offline SuzukiSavage.com Rocks! Posts: 370	Re: Ryca decompression linkage issues Reply #17 - 03/31/12 at 14:17:07 On some of the old thumpers they had decompression lever on the handle bars, a two finger lever, cable operated, shouldn't take all that much pressure to hold that valve down for one stroke..
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surtees YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 16 los angeles Gender:	Re: Ryca decompression linkage issues Reply #18 - 03/31/12 at 23:03:13 On my '52 AJS I had the handlebar lever shown below. My sequence was to kick to some compression, open and close the thumb lever to relieve the pressure and then kick (or bump) to start. You could not kick it over without decompression. Maybe a vintage thumb lever would be cool on a ryca as well....
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Gyrobob Serious Thumper Offline Posers ain't motorcyclists Posts: 2571 Newnan, GA Gender:	Re: Ryca decompression linkage issues Reply #19 - 04/01/12 at 12:20:34 surtees, that WOULD be a cool idea,.. a truly functional retro exhaust valve lifter!
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