Reed Valve Modification : Reed Valve Modification - The Hodaka Club Forum - In this video, i explain the function of a reed valve and the issues you might have with them when servicing your dirt bike.. 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. All china engines reed block mod. The two common reed valve angles are 30 and 45 degrees. Early gold stars had a reed valve breather with a very light fibre disc for the valve. 1) the reed petals only travel half the distance as a conventional reed valve design to get the same airflow.
It has a flange on it for mounting to flat carb & engine surface and reed part is. I found that on the rear intake's there is a black plastic or aluminum reed block between engine & carb. Here are the photos and a short explanation of the reed valve mod and the bowman ring installation for the dle 35ra. 2 in order to physically sort the reed valves from one location to another. 1) the reed petals only travel half the distance as a conventional reed valve design to get the same airflow.
minarelli V1 reed valve adapter plates from www.treatland.tv 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. 2 in order to physically sort the reed valves from one location to another. 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. 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. Early gold stars had a reed valve breather with a very light fibre disc for the valve. 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. It more then likely wont out perform an aftermarket reed valve like a boyesen rad valve or v force. But, its a pretty quick and straight forward mod that costs nothing if your running aftermarket performance reeds.
The angle of the reed valve, the type of reed material, and the petal thickness.
I did it to my honda cr250 and was successful. Each subsystem had a specific task to perform as detailed in the rest of this paper. But, its a pretty quick and straight forward mod that costs nothing if your running aftermarket performance reeds. Dle 55 reed block mod with pics! This was done after about 500 flights and two. Reed valve design is simple (see pic. You will be buying a precision product made with american materials, tooling and equipment. I also talk a little bit about s. In this video, i explain the function of a reed valve and the issues you might have with them when servicing your dirt bike. The reedcage is one of the easiest to modify and first attacked pieces of a 2stroke. This has two major benefits: There are three other factors to consider when choosing a reed valve. The angle of the reed valve, the type of reed material, and the petal thickness.
It has a flange on it for mounting to flat carb & engine surface and reed part is triangular shaped. In most, but not all, applications reed petal movement limiter is also used. 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 has a flange on it for mounting to flat carb & engine surface and reed part is. The reed block surfaces are not flat and reeds in some cases don't lay perfectly flat against block.
Boyesen Intake Reed Valves from pse-parts.com 2) because the reed petals only need to travel half the distance of that on a. I also purchased a gasket set just in case. And bad reed valve and a pick and place system was designed. 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. Manufacture custom make and offer 2 and 3 cylinder trail pipes, 2 and 3 cylinder race pipes for ski doo sleds and polaris sleds. There are three other factors to consider when choosing a reed valve. 2 in order to physically sort the reed valves from one location to another. I run the rse reed valve with this modification to the stock piston:
If it's direct crankcase reed induction, about the only thing you can do is find a bigger reed cage and carb.
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 I purchased a bowman ring from frank bowman. Here are the photos and a short explanation of the reed valve mod and the bowman ring installation for the dle 35ra. In most, but not all, applications reed petal movement limiter is also used. 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. In this video, i explain the function of a reed valve and the issues you might have with them when servicing your dirt bike. 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. All china engines reed block mod. Dle 55 reed block mod with pics! This is a simple modification that can easily be done at home with a dremel or other tool. It has a flange on it for mounting to flat carb & engine surface and reed part is triangular shaped. With a manometer hooked to the crankcase.
The reedcage is one of the easiest to modify and first attacked pieces of a 2stroke. 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. Each subsystem had a specific task to perform as detailed in the rest of this paper. He includes instructions for the reed valve mod as well (recommended for all china engines). Although comparatively new to the market place in reed valve production, we have 35 years experience in modifying outboards and cutting reed valves.
Harbor Freight Air Compressor Reed Valve Valves STAINLESS from images.air-compressor.org Manufacture custom make and offer 2 and 3 cylinder trail pipes, 2 and 3 cylinder race pipes for ski doo sleds and polaris sleds. The postings discuss modifications using positive crankcase ventilation valves (pcvs). 2 in order to physically sort the reed valves from one location to another. I run the rse reed valve with this modification to the stock piston: But, its a pretty quick and straight forward mod that costs nothing if your running aftermarket performance reeds. All china engines reed block mod. Here are the photos and a short explanation of the reed valve mod and the bowman ring installation for the dle 35ra. In most, but not all, applications reed petal movement limiter is also used.
In this video, i explain the function of a reed valve and the issues you might have with them when servicing your dirt bike.
But, its a pretty quick and straight forward mod that costs nothing if your running aftermarket performance reeds. 1) the reed petals only travel half the distance as a conventional reed valve design to get the same airflow. Manufacture custom make and offer 2 and 3 cylinder trail pipes, 2 and 3 cylinder race pipes for ski doo sleds and polaris sleds. The reedcage is one of the easiest to modify and first attacked pieces of a 2stroke. Here are the photos and a short explanation of the reed valve mod and the bowman ring installation for the dle 35ra. 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. As the factory developed the engine they ran into breathing troubles. The two common reed valve angles are 30 and 45 degrees. Vermont based company with dealers in the us and canada. The unique design of the vforce reed valve system features double the reed tip surface over a conventional reed valve design. This is a simple modification that can easily be done at home with a dremel or other tool. I run the rse reed valve with this modification to the stock piston: Reed valve modification for maximum performancedalm video ni aku nak share dengan korang semua macam mana nak modifikasi reed valve standard motor supaya jad.
