Reed Valve Modification - Reed Valve Removal 1500/1600 Vulcan Engines / It more then likely wont out perform an aftermarket reed valve like a boyesen rad valve or v force.. If you don't have a die grinder you could use a file. Manufacture custom make and offer 2 and 3 cylinder trail pipes, 2 and 3 cylinder race pipes for ski doo sleds and polaris sleds. All china engines reed block mod. I found that on the rear intake's there is a black plastic or aluminum reed block between engine & carb. The unique design of the vforce reed valve system features double the reed tip surface over a conventional reed valve design.
Reed valve modification for maximum performancedalm video ni aku nak share dengan korang semua macam mana nak modifikasi reed valve standard motor supaya jad. Here are the photos and a short explanation of the reed valve mod and the bowman ring installation for the dle 35ra. This was done after about 500 flights and two. With a manometer hooked to the crankcase. I run the rse reed valve with this modification to the stock piston:
RD Reed valve modification from i1118.photobucket.com 2) because the reed petals only need to travel half the distance of that on a. From the tip of the air cleaner to the tip of the silencer your 2stroke is a series of varying sized and shaped passages dealing with varying rpm, load and harmonics so increasing the size (or The reed block surfaces are not flat and reeds in some cases don't lay perfectly flat against block. The unique design of the vforce reed valve system features double the reed tip surface over a conventional reed valve design. Early gold stars had a reed valve breather with a very light fibre disc for the valve. A modified stainless steel bolt with a hole drilled through it is supplied with all bsa a7/a10 crankshafts. Also a couple of smaller vacuum caps to plug some other holes that are gonna reed valve covers are easy to make from 6 mm aluminium plate. Here are the photos and a short explanation of the reed valve mod and the bowman ring installation for the dle 35ra.
It more then likely wont out perform an aftermarket reed valve like a boyesen rad valve or v force.
They ran the engine on a dyno. In most, but not all, applications reed petal movement limiter is also used. I run the rse reed valve with this modification to the stock piston: If you don't have a die grinder you could use a file. Here are the photos and a short explanation of the reed valve mod and the bowman ring installation for the dle 35ra. Although comparatively new to the market place in reed valve production, we have 35 years experience in modifying outboards and cutting reed valves. Reed valve modification for maximum performancedalm video ni aku nak share dengan korang semua macam mana nak modifikasi reed valve standard motor supaya jad. Manufacture custom make and offer 2 and 3 cylinder trail pipes, 2 and 3 cylinder race pipes for ski doo sleds and polaris sleds. Also a couple of smaller vacuum caps to plug some other holes that are gonna reed valve covers are easy to make from 6 mm aluminium plate. Reed petals are a high wear item and should be inspected more often than not. Mriggs,i have studied reed valves a lot in the last few years,i also have been in the outboard business since the early 70s,and have seen a lot.the industry standard untill recently has been carbon steel reeds on aluminum cages,with great success.in the mid 90s merc went from alum to rubber coated cages,somewhat after omc went with rubber cages on their 3 litre motors,and looper v4s.the. Dle 55 reed block mod with pics! The postings discuss modifications using positive crankcase ventilation valves (pcvs).
You must be certain not to ding or gauge the reed pedal seating surface when modifying the cage. Inspecting and replacing the reed valves on your 2 stroke motorcycle is easy. The postings discuss modifications using positive crankcase ventilation valves (pcvs). I found that on the rear intake's there is a black plastic or aluminum reed block between engine & carb. The angle of the reed valve, the type of reed material, and the petal thickness.
Rick Sieman: SuperHunky.com from articles.superhunky.com It more then likely wont out perform an aftermarket reed valve like a boyesen rad valve or v force. Reed valve modification for maximum performancedalm video ni aku nak share dengan korang semua macam mana nak modifikasi reed valve standard motor supaya jad. With a manometer hooked to the crankcase. Reed valve conversion with piston window and no boost port = improved low end power, possible loss in top end (depending on window size/shape) reed valve conversion with piston window and boost port = even more improved low end power, with more top end power too. 1) the reed petals only travel half the distance as a conventional reed valve design to get the same airflow. 2 cylinder motors to 1140cc and 3 cylinder motors to 1500cc. All china engines reed block mod. I found that on the rear intake's there is a black plastic or aluminum reed block between engine & carb.
If you don't have reed valve covers, then we need a large vacuum cap to block the air intake on the vacuum switch that feeds air to the reed valves.
The two common reed valve angles are 30 and 45 degrees. Manufacture custom make and offer 2 and 3 cylinder trail pipes, 2 and 3 cylinder race pipes for ski doo sleds and polaris sleds. It dawned on me that there is no write up for a dle55 reed block mod, only one for the dle20 which is not the same engine. The angle of the reed valve, the type of reed material, and the petal thickness. The postings discuss modifications using positive crankcase ventilation valves (pcvs). This has two major benefits: Reed petals are a high wear item and should be inspected more often than not. As the factory developed the engine they ran into breathing troubles. Inspecting and replacing the reed valves on your 2 stroke motorcycle is easy. With a manometer hooked to the crankcase. You will be buying a precision product made with american materials, tooling and equipment. Reed valve modification for maximum performancedalm video ni aku nak share dengan korang semua macam mana nak modifikasi reed valve standard motor supaya jad. If you don't have a die grinder you could use a file.
Vermont based company with dealers in the us and canada. A valve comprises of the case/support to which reed petals (also called reeds) are attached. Koso dual display egt gauge. I purchased a bowman ring from frank bowman. I also talk a little bit about s.
Vforce3 Reed Valve Minarelli from www.motocrossdirect.co.uk I didn't take as many pictures as i would have liked but i hope this gives you a good idea of how to do the mod. Koso dual display egt gauge. This was done after about 500 flights and two. With a manometer hooked to the crankcase. If you don't have a die grinder you could use a file. Reed valve modification for maximum performancedalm video ni aku nak share dengan korang semua macam mana nak modifikasi reed valve standard motor supaya jad. All china engines reed block mod. But, its a pretty quick and straight forward mod that costs nothing if your running aftermarket performance reeds.
I didn't take as many pictures as i would have liked but i hope this gives you a good idea of how to do the mod.
The reedcage is one of the easiest to modify and first attacked pieces of a 2stroke. Manufactured in our facility, this design appears not only to flow better for high performance, but also traps the fuel air mix in the motor more completely than stock reeds. As the factory developed the engine they ran into breathing troubles. Dle 55 reed block mod with pics! Inspecting and replacing the reed valves on your 2 stroke motorcycle is easy. I found that on the rear intake's there is a black plastic or aluminum reed block between engine & carb. Manufacture custom make and offer 2 and 3 cylinder trail pipes, 2 and 3 cylinder race pipes for ski doo sleds and polaris sleds. I also purchased a gasket set just in case. 2 cylinder motors to 1140cc and 3 cylinder motors to 1500cc. From the tip of the air cleaner to the tip of the silencer your 2stroke is a series of varying sized and shaped passages dealing with varying rpm, load and harmonics so increasing the size (or The two common reed valve angles are 30 and 45 degrees. This is a simple modification that can easily be done at home with a dremel or other tool. Although comparatively new to the market place in reed valve production, we have 35 years experience in modifying outboards and cutting reed valves.
