CISON L4-175 17.5cc Mini OHV Inline 4 Cylinder 4 Stroke Water-cooled L4 RC Gasoline Engine Model - Speed Up to 8,000rpm
CISON L4-175 OHV L4 Engine for Sale Now! Early Bird Price: $799.99! Save $200when checking out. Buy CISON OHV L4 Engine & Parts Here together, Only $899.98! Save $250 Off!
In early 2022 we introduced the CISON FL4-175 flathead L4 gasoline engine, and this time we decide to bring its upgraded version - the L4-175 OHV L4 gasoline engine, which maintained a unique, mini and compact appearance and almost the same displacement, compared to the previous L4 engine. This new CISON OHV L4 engine adds red sports elements on the surface, roughens the crankshaft, and adopts bionics on the carburetor. OHV valve mechanism gives the engine a better power output performance than the flathead one's design for higher torque output, which is more compatible with RC off-road trucks, tows, etc. Equipped with a standard electrical starting, water cooling system and independent lubrication system, the new L4-175 OHV L4 gas engine will also be available in two versions, the KIT version and the assembled version. And this time, the CISON OHV L4 engine is already for sale now. Any questions or advice, please feel free to contact us service@enginediy.com.
Know More About This CISON L4-175 OHV Gasoline Engine:
OHV Miniature Model Engine: Featuring a unique, mini and compact appearance while with large displacement, the L4-175 engine adopts an OHV valve mechanism for a long stroke and high output torque.
Build Your Own Engine: With a total of hundreds of metal parts, the L4 engine kit allows you to start a great and challenging project, enter the world of micro mechanical engineering. 2 Versions are available: Kit and Assembled. Pick a kit version and build your own L4 engine, pick the assembled one, ready to run!
Sensitive Response: The CISON L4 engine boasts printing inlet pipes and exhaust pipes that are integrated metal and stainless steel, along with a carburetor designed by bionics for easy adjustment, more sensitive throttle response and deep and powerful sound.
Lasting Work: The independent lubrication system and the external oil pump are utilized for superior lubrication when matched with mini oil filters. The engine is cooled with a water cycle for longer operation and lifespan.
Sophisticated Manufacture: The main body of the engine is made of aluminum CNC in precision processing, a special bimetal cast iron piston ring, high-precision stiffening cylinder liner, integral stiffening crankshaft and sandblasting oxidation on the surface for an impressive beauty and texture.
Convenient Ignition: The CDI igniter dedicated to the L4 engine with a compact size and superb anti-interference performance makes the ignition more stable, which is more friendly to users using remote control electronic devices.
RC Compatibility: Compatible with RC models, the lightweight engine makes an incredible "heart" for 1/8 and 1/14 crawler, off-road and tractor models that are demanding low torque.
Collection and Gift Choice: The CISON L4 engine is available as a perfect addition for machine enthusiasts, engine model aficionados and collectors, a prime choice for RC off-road GP models and a high-end personalized gift for families and friends.
Warm Tips: The base, CDI igniter, spark plug, oil filter and water cooling accessories are not included. Please operate the engine in line with the instructions to avoid damage by improper operation. Please feel free to contact us if there is any questions.
Product Details: .Material: Metal .Brand: CISON .Model: L4175-OHV .Form: Finished Version .Type: Gasoline Interal Combustion Engine .Valve Mechanism: OHV .Displacement: 17.5CC .Cylinder: L4 .Stroke: Four Strokes .Cylinder Diameter: 16.7mm .Stroke: 14mm .RPM: 1500-8000rpm .Power: About 2.5ps .Cooling Mode: Water Cooling ..Lubrication Method: Independent Lubrication System .Starting Mode: Electronic Starting .Ignition Method: CDI Igniter for CISON L4 Engine (Not Included) .Spark Plug Type: 1/4-32 Thread ME8 Spark Plug (Not Included) .Starting Power: 6-14V, 12V Li battery is recommended (Not Included) .Fuel Type: 92# Gasoline and Above .Engine Oil Type: 2T Engine Oil, 10W50 Engine Oil is recommended .Cylinder Dimensions: 96*43mm .Product Dimensions: 13.5 x 10.24 x 10.5cm .Product Weight: 1300g .Package Dimensions: 20 x 20 x 20cm .Package Weight: 2200g .Packing: Wooden/ Bamboo Box
Package List: 1 x CISON OHV L4 Engine 1 x Instructions
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This engine is the improved evolution of the 4-175 flathead model.
Apart from some initial problems with the electric starter motor, the engine starts well and runs really smoothly with a nice voice. The intake and exhaust manifolds are truly exceptional. Some reservations for the precision of the carburettor. It would be nice to be able to have a 4 carburettor supply (of good quality) to make the engine even more sporty and performing..
L
L.t. (Istres, FR)
Joli moteur
Je trouve l'ensemble plutôt bien fini .
Je ne peux pas en dire plus pour le moment car un problème sur 2 bielle qui on probablement un problème d'alesage quand je les serres le.moteur ne tourne plus .
Donc j'attends les bielles
Par contre le manuel de montage est un peu léger en explications et manque cruellement d'informations plus précise pour l'assemblage
Et de plus disponible qu'en anglais.
T
The real Michael M. (Rossendale, GB)
A superb little engine.
Another superb little engine from Cison, it looks really cool & sounds great, well engineered & designed the only thing I struggled with was fitting the main mixture control screw to the carburettor, the rubber o ring seal wouldn't fit into the tube, the recess on the screw where the o ring fits was too shallow & should have been machined a bit deeper, I have come across this same fault on other Cison engines. I machined the recess myself & now the screw & seal goes in comfortably, apart from that all is well, I love it.
正
正樹 梅澤 (Hamamatsu, JP)
CISON L4 175 OHV
send a video
G
Gary (Northampton, GB)
Cison L4-175 issues
I would love to give 5 stars for this engine as overall it is a lovely engine. Unfortunately I have had several issues with it.
First of all the conrods came with 3 different lengths of bolts fitted this was due to the rods not being tapped deep enough (there was a bag of bolts tucked underneath the rods in the packaging which were the correct length). But I still had to purchase a tap to rectify the problem.
Secondly when I fitted the piston rings to the first piston the rings would not rotate and were stuck in the piston. On further investigation I found that there was a sharp edge on the inner edge of the piston ring, this sharp edge was on 5 out of 8 of the rings. Unfortunately when trying to remove the rings from the piston one of them broke as it was really jammed in the ring grove, the other rings I used a fine “Norton” stone to debur them. I have been trying to contact EngineDIY since December and I am still waiting for an answer from Lucas.
Thirdly the oil pump body also had two out of the four threads which hold on the rear cover not tapped deep enough. Again I had to purchase a tap to rectify the problem.
At this point I have shelved the engine and not gone any further as I am waiting for a reply from EngineDIY. Fortunately I am an engineer so sorting out these problems is not a big issue for me but if you are someone with little or no experience in engineering / mechanical problems then I would say this is not for you as the build manual leaves a lot to be desired.
This engine is the improved evolution of the 4-175 flathead model.
Apart from some initial problems with the electric starter motor, the engine starts well and runs really smoothly with a nice voice. The intake and exhaust manifolds are truly exceptional. Some reservations for the precision of the carburettor. It would be nice to be able to have a 4 carburettor supply (of good quality) to make the engine even more sporty and performing..
L
L.t. (Istres, FR)
Joli moteur
Je trouve l'ensemble plutôt bien fini .
Je ne peux pas en dire plus pour le moment car un problème sur 2 bielle qui on probablement un problème d'alesage quand je les serres le.moteur ne tourne plus .
Donc j'attends les bielles
Par contre le manuel de montage est un peu léger en explications et manque cruellement d'informations plus précise pour l'assemblage
Et de plus disponible qu'en anglais.
T
The real Michael M. (Rossendale, GB)
A superb little engine.
Another superb little engine from Cison, it looks really cool & sounds great, well engineered & designed the only thing I struggled with was fitting the main mixture control screw to the carburettor, the rubber o ring seal wouldn't fit into the tube, the recess on the screw where the o ring fits was too shallow & should have been machined a bit deeper, I have come across this same fault on other Cison engines. I machined the recess myself & now the screw & seal goes in comfortably, apart from that all is well, I love it.
正
正樹 梅澤 (Hamamatsu, JP)
CISON L4 175 OHV
send a video
G
Gary (Northampton, GB)
Cison L4-175 issues
I would love to give 5 stars for this engine as overall it is a lovely engine. Unfortunately I have had several issues with it.
First of all the conrods came with 3 different lengths of bolts fitted this was due to the rods not being tapped deep enough (there was a bag of bolts tucked underneath the rods in the packaging which were the correct length). But I still had to purchase a tap to rectify the problem.
Secondly when I fitted the piston rings to the first piston the rings would not rotate and were stuck in the piston. On further investigation I found that there was a sharp edge on the inner edge of the piston ring, this sharp edge was on 5 out of 8 of the rings. Unfortunately when trying to remove the rings from the piston one of them broke as it was really jammed in the ring grove, the other rings I used a fine “Norton” stone to debur them. I have been trying to contact EngineDIY since December and I am still waiting for an answer from Lucas.
Thirdly the oil pump body also had two out of the four threads which hold on the rear cover not tapped deep enough. Again I had to purchase a tap to rectify the problem.
At this point I have shelved the engine and not gone any further as I am waiting for a reply from EngineDIY. Fortunately I am an engineer so sorting out these problems is not a big issue for me but if you are someone with little or no experience in engineering / mechanical problems then I would say this is not for you as the build manual leaves a lot to be desired.
