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TOPIC: Re:Continuing Education - Decompression Solenoid Forum Tools Post New Topic Show latest posts Rules

#93456 SobaCracka (User) It's best to eat crow while fresh. Platinum Boarder Posts: 1605 Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   Time for another "Educate Earl" question: I've seen several posts that mention a decompression solenoid and have seen chrome covers for them on the Internet as well. What does the decompression solenoid do?   Logged     Earl in Catonsville, MD   The administrator has disabled public write access. #93458 DocShadow (Admin) Hmmmm .... send beer Admin Posts: 11041 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   Releases the pressure in the cylinders so it's easier to start. Doc   Logged     My Bike Website   The administrator has disabled public write access. #93463 SobaCracka (User) It's best to eat crow while fresh. Platinum Boarder Posts: 1605 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   Thank you.   Logged     Earl in Catonsville, MD   The administrator has disabled public write access. #93465 Flashback (Moderator) The devil to pay, and no pitch hot Moderator Posts: 4601 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   Does it hold the exhaust valves open a little until the starter gets wound up..   Logged       The administrator has disabled public write access. #93574 mrpcar (User) Fresh Boarder Posts: 17 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   That's the first thing I read in the service manual, however coming from an "automotive" point of view it doesn't make any sense to me that releasing the compression makes it easier to start. I thought the more compression there is the easier to ignite the fuel mixture when it is cold. Unless the decompression is to make the starter easier to turn the motor during compression stage. How is the firing order arranged in a v-twin? Do they both fire at the same time or at intervals?   Logged     Last Edit: 2008/06/16 20:01 By mrpcar.     The administrator has disabled public write access. #93578 Musky (Moderator) Doc took Grams beer Moderator Posts: 13518 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   It's releases the compression so it turns over easier. Find a bike with a kickstart that doesn't have a decomp on it. You'll understand.   Logged       The administrator has disabled public write access. #93588 dmfarms (User) Senior Boarder Posts: 387 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   Musky wrote: It's releases the compression so it turns over easier. Find a bike with a kickstart that doesn't have a decomp on it. You'll understand. yep, and you'll wish you never picked that fight lots of atvs have manual decomp. levers, that way you don't break your arm when tryin to pull start it   Logged     The administrator has disabled public write access. #93606 DocShadow (Admin) Hmmmm .... send beer Admin Posts: 11041 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   I see you wanted the long answer. From the service manual ..... The auto decompression mechanism occurs when the engine is started. When the engine is started, the decompression cam and pin raise the exhaust valve lifters, push the push rods, move the rocker arms, and lower the exhaust valves which compress the cylinder. When the cylinder is compressed, pressure is released immediately, resulting in smoother engine starting capabilities and smoother crankshaft revolutions. Doc   Logged     My Bike Website   The administrator has disabled public write access. #93615 Flashback (Moderator) The devil to pay, and no pitch hot Moderator Posts: 4601 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   thanks..   Logged       The administrator has disabled public write access. #93616 Greysnake (User) BB sold all the beer and bought a stratoliner. Platinum Boarder Posts: 3004 Re:Continuing Education - Decompression Solenoid 6 Months, 3 Weeks ago   That's at least a three beer answer. Good Info,thanks guys.   Logged     06 Midnight Silverado *nothing shines like a star*   The administrator has disabled public write access.

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