Sales area For non-emisson regulated area; Type Fresh water pump; Model YDP20N YDP20N-E YDP30N YDP30N-E YDP40N YDP40N-E; PUMP: Type: Self-priming pump: Suc. & discharge dia. [mm Compatible with Yanmar Water Pump 3TNE84/T 3TNV84/88 4TNE84/88 4TNV84/T/88 Y129508-42001 Qty: 1 HI POWER HYW-25 M6, NEW HOLLAND T3020Tractor, GEHL SL3635 Skid Steer, TAKEUCHI TB135 Mini Excavator, KO
3GM Series Yanmar 3GM Marine Diesel Engine Parts As an Authorized Yanmar Dealer, we carry a great selection of genuine parts for Yanmar 3GM Series marine diesel engines, including impellers, water pumps, and filters. Our comprehensive inventory covers popular models like 3GM, 3GM30, 3GM30F, and 3GMF 3YM Series Yanmar 3YM Marine Diesel Engine Parts As an Authorized Yanmar Dealer, we carry a great selection of genuine parts for Yanmar 3YM Series marine diesel engines, including impellers, water pumps, and injection pumps. Our comprehensive inventory covers popular models like 3YM20, 3YM30,and 3YM30AE Yanmar Raw Water Pumps. At Diesel Pro, we have established a record of providing excellent parts and service to those who work in and around boats. We have extended that dedication to our newest additions, our Yanmar raw water pumps. These units are built to last, and having a spare pump is always a good idea
water pump yanmar 3tnm72 engine aftermarket diesel engine parts $ 139.98 $ 69.99 add to cart; sale! oil pump yanmar 3tnm72 engine aftermarket diesel engine parts $ 119.98 $ 59.99 add to cart; sale! thermostat yanmar 3tnm72 engine aftermarket diesel engine parts $ 19.98 $ 9.99 add to cart; sale! starter yanmar 3tnm72 engine aftermarket diesel. General (4) 3TNV88 Engine name Unit 3TNV88 Engine specification class Type Vertical, in-line, 4-cycle, water-cooled diesel engine Combustion chamber Direct injection Number of cylinders Cylinder bore stroke 88 90 Displacement 1.642 Revolving 1500 1800 Continuous speed rating 12.3 14.8 Output (hp) (16.7) Page 21 1. General (5) 4TNV84 Engine name. WATER COOLED ENGINES. The Total New Value (TNV) engine series comes in 2-cylinder, 3-cylinder and 4-cylinder water cooled versions with a four-cycle, inline configuration. Big power from a small package offers Tier 4 compliance right out of the box This engine was manufactured by Yanmar Japan for use in John Deere 950 compact tractors. This 1.7 liter 3 cylinder diesel engines produces 31hp at the flywheel. The engine was manufactured between 1981 and 1989. This is one od the more desirable Yanmar engines because it has wet sleeves My 3JH2E (37 HP Yanmar in H376) has an engine driven pump which faces aft and it is particularly difficult to change the impeller. Other raw water pumps have a small bleed hole between the pump shaft water seal and the engine oil seal so any leakage should not enter the engine - unless both seals have failed
China Yanmar Diesel Water Pump manufacturers - Select 2021 high quality Yanmar Diesel Water Pump products in best price from certified Chinese Engine, China Cylinder suppliers, wholesalers and factory on Made-in-China.co Water Pump 119660-42004 For Yanmar Engines 3tna72 3tna72l 3tnv72 3tne74 Ym486 New Cylinder Head - $40.56 New Cylinder Head Gasket For Yanmar 3tne72 3tna72 Engine The Yanmar tractor cooling system is very simple but can still develop overheating problems. How to test- Let your tractor cool down completely. Fill radiator completely with water. Start engine with radiator cap off. Be sure that your belt is tight. The belt drives the water pump and the fan. If the belt slips your fan & water pump. Yanmar 1 Cylinder Diesel Engine with Pump, 2 Ports. Pump Model PAD-125B, Engine Model LA40AE-DB http://www.auctionmasters.com Auction Masters is your online..
YANMAR 3 CYL DIESEL 3T90J FUEL INJECTION PUMP CH10679 | eBay FOR SALE IS A USED FUEL INJECTION PUMP OFF OF AYANMAR 3T90J ENGINE. THIS PART IS AN ORIGINAL USED PART TO THE YANMAR 3T90J. Skip to main conten The most popular Yanmar water-cooled diesel engines are four-cylinder diesel engines, 4TNE88, 4TNE98, 4TNV88, three-cylinder diesel engines, 3TNV76, 3TNV70, and two-cylinder diesel engines such as 2TNV70, 2TNE76. The horsepower of Yanmar air-cooled diesel engines is from 4.8 hp to 10 hp Get the best deals for yanmar 3 cylinder diesel engine at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! YANMAR DIESEL FUEL LIFT PUMP 121256-52020 FOR 2 or 3 CYLINDER MARINE ENGINES . Brand New. $85.00. Buy It Now +$12.00 shipping. Watch. S p o n s o r e d. Yanmar 3TNV70 Timing Gear. it may cause engine defects. Type No.of cylinder - Bore(mm) x Stroke(mm) kW/min-1 Continuous rating (PS/rpm) Combustion system Starting system Power take-off position Cooling system Lubricating system Reduction reverser Reduction ratio (F/R) Model 3YM30 4-stroke,vertical,water-cooled,diesel engine 3 - 76 x 8
. Strong Diesel Yanmar Tondu TP3T trash pump Waste Water 4.4KW Pond Pump Powerful. £499.99. 0 bids Ending 5 May at 7:15PM BST 8d 13h 1GM10 ENGINE *NEW STOCK* - *YANMAR DEALER* £3,999.00. or Best Offer. 15 watching. PRAMAC P6000s SILENT DIESEL GENERATOR YANMAR ENGINE KEY START DIESEL. £1,250.00. 0 bids Ending 3 May at 12:24PM BST 6d 7h. genuine j08e engine egr solenoid valve fits kobelco sk330-8 excavator digger $ 588.38 add to cart; engine rebuild kit valve kit mitsubishi s4k s4kt cat 312b e110b e120b r110-7 excavator aftermarket parts sale! $ 800.00 $ 399.99 add to cart; 4dq5 engine plug glow set mitsubishi 4dq50 forklift loader truck 24voltage $ 32.24 add to car Yanmar Water Pump - Y129001-42004 This Water Pump is an aftermarket part that matches the OEM specifications and quality. Below you will see most of the engine and equipment applications that contain this part. If you would like more information or to verify the correct parts please contact us at 1-855-474-9400 or email@example.com and please Read More > Yanmar Water Pump - Y129100-42004 This Water Pump is an aftermarket part that matches the OEM specifications and quality. Below you will see most of the engine and equipment applications that contain this part. If you would like more information or to verify the correct parts please contact us at 1-855-474-9400 or firstname.lastname@example.org and please Read More >
. They are available in 3 styles being water transfer, semi-trash and full trash pump. All models are powered by proven and reliable YANMAR diesel air cooled engines with either manual recoil or electric start Marine Diesel Parts carries a full line of Yanmar marine engine parts. Please call us, at 508-997-1805 to speak directly to one of our marine engine experts so that you can find the right part for your Yanmar engine. Or simply fill out our BOAT ENGINE PART REQUES SAE Engine Mount Centrifugal Pump; Salt Water Pumps; Sewage Transfer Pumps; Skid Mounted Pumps; Trailer Mounted Pumps; 3-Cylinder 5 items 3x2.5, 350 GPM, 75 Max PSI, Yanmar Diesel . SKU: PFP-9HP-DSL. Model: PFP-9HP-DSL. List Price: $9,931.00 Sale Price $6,965.00. Add to Cart.
Fire Water Pump Specifications. Yanmar, model L100, air cooled engine ; Single cylinder, 4-stroke diesel engine ; 12V electric start with recoil start as backup ; 1.45 gallon (5.5 l) integrated fuel tan My father has a 3 cycinder Yanmar engine, I believe it's the 3TNE84. The injector pump was frozen and it looks like the adjustment is off now since he was able to work it free. Does anyone have a procedure for setting the Injection Timing? Also, does anyone have access to a manual for this engine or know where to get one. Paul: Scot engine rebuild kit yanmar 3t72h engine aftermarket diesel engine parts $ 599.98 $ 299.99 add to cart; engine overhaul gasket kit—piston set—piston ring set—cylinder head—gasket—cylinder liner—main bearing set—con rod bearing set—connecting rod—crankshaft—connecting rod—camshaft—oil pump—water pump—starter.
Buy 4 Cylinder Yanmar Diesel Engine Rebuild Kits & Parts From HDKits. Quality Parts, 2 Years Warranty. Call 888-642-6460 If touch, wash your hands with soap and water thoroughly. 1.3.3 Cooling water Use clean soft water and be sure to add the Long Life Coolant Antifreeze (LLC) in order to prevent rust built up and.
How to Bleed Air From a Yanmar Diesel Fuel System Turn the fuel control valve to the 'On' position. Loosen the air bleed screw on the top of the fuel filter canister with a screwdriver. Loosen the fuel return pipe bolt with a wrench at the last injector before the pipe re-enters the fuel pump. Loosen the air vent screw at the injector pump with a screwdriver Yanmar 3JH5E 39 HP Marine Diesel Engine InboardCompact and Powerful, Clean and Quiet, there are mid-range three and four- cylinder diesels based on a completely redesigned engine block and new combustion system. You can enjoy more displacement, power and torque with low vibration, low noise and lo At Yanmar you'll find the industrial diesel engine, pump or generator you are looking for. Diesel Engines Water-cooled. warranty, service and spare parts of new and existing YANMAR engines. READ MORE. 5 kW engine is trusted to elevate up to 25,000 kg
Yanmar 4TNV84T-DMF 4 Cylinder 2.0L Diesel Engine, 15 kW 240V / 416V 3 Phase, 120V Receptacles, S/A Trailer, Lunette Ring, Surge Brakes **No Title Available. Bill of Sale will be provided upon request to convey ownership.* of the Diesel engine. First edition Date of issue Mar.,1997 Dec.,2001 Remarks No need No need COOLING FRESH WATER PUMP & THERMOSTAT 21. COOLING SEA WATER PUMP 22. COOLING FRESH WATER COOLER & SUB TANK CYLINDER 1 S (A=*2004.03) 4 3 119000-02410 BUSH, CAMSHAFT 1 1 1 5 3 119593-02420 BUSH, CAMSHAFT 3 3 3
Note 3) (A=E00185) is the E (Engine Serial Number) for the column (A) model (in this case 4JH-DT) after COOLING SEA WATER PUMP 33. COOLING SEA WATER PUMP 34. COOLING FRESH WATER PUMP 35. COOLING FRESH WATER COOLER 36. SUBTANK CYL. HEAD 3 3 3 3 20 1 128371-01800 COCK ASSY 1/4 1 1 1 1 21 1 105583-49910 ELBOW (PT1/4) 1 1 1 1. The 3-cylinder, 4-cycle YANMAR TNM (MINIMAX) line of engines with outputs ranging from 11.8 horsepower at 1800 RPM to 22.8 horsepower at 3600 RPM. This engine line boasts the industry-respected durability and reliability offered by the TNV water-cooled engine line in a more compact package Diesel Engine Yanmar Diesel TTI Diesel Excavator Engine Parts DH60 DH80 4TNV98 Cylinder Head Gasket YM129908-01331 129906-01340 729903-92670 For YANMAR $6.50 - $15.00
We also can supply the following parts for Yanmar 3 TNM74F Diesel engine rebuild , any parts you need , please let us know: Piston , Piston ring , Cylinder liner, Full gasket kit including the head gasket and all necessary seal Yanmar 6LY400 400 HP 4-Stroke Vertical Water Cooled Marine Diesel Engine InboardSpecifications:Configuration: In-line 6-cylinder, 4-stroke, vertical, water-cooled diesel engineMaximum output at crankshaft: *294 kW@3300 rpm [400 mhp]@3300 rpm *324 kW@3300 rpm [440 mhp]@3300 rpmDisplacement: 5.813 L Shop Yanmar 3TNE88 Water Pumps at Highway and Heavy Parts. 1-Year Warranty, Built to OEM Specifications, Fast Shipping, Great Quality, Delivery in 2-Days or Less to most areas. 129100-42002 | Yanmar 3TNE88 Water Pump, New | Highway and Heavy Part sfwp-2000 water pump $68.95 sfwp-4201 water pump $68.95 sfwpc-1700 water pump kit $200.00 sfwpg-2000 gasket, water pump $1.58 sfwpg-2000 gasket, water pump (2500wp kit) $1.58 sfwpg-4450 gasket back plate $1.3
YANMAR PARTS - Featuring a wide selection of new parts for imported Yanmar tractors|parts for other tractor makes.Yanmar clutch kits,water pump kits,filter kits,engine.. HD Parts is specialized in different kinds of brands of diesel engine parts such as Cummins, Yanmar, Isuzu, Mitsubishi, Hino, Volvo, Komatsu, Kubota, Caterpillar, Daewoo, Toyota and so on. We provide high quality engine parts and replaced parts. We have been serving the domestic and overseas markets. Our products are transported to overseas everyday As one of the most professional 3 cylinder water pump diesel engine manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy 3 cylinder water pump diesel engine at made in China here from our factory
On the cylinder block, on the port side aft. 2. Underneath the fresh water pump. 3. The exhaust manifold. I saved a plastic water bottle to be able to drain the old coolant in tight spaces. After draining coolant from all the drain cocks, I filled the engine with distilled water and ran it until it reached operating temperature Removed from a machine that we parted out. This item appears to be in good useable condition (see photos). Please check with your local dealer to confirm that it will fit your model. Yanmar 3TNA72 diesel engine is used in many model types such as skid steers, Excavators,Lifts, Tractors, Sweepers and other industria Cylinder Block Assembly for Yanmar 3TNA72L Engine Gear Housing Assembly for Yanmar 3TNA72L Engine Mounting Flange and Oil sump Assembly for Yanmar 3TNA72L Engine
Genuine Yanmar Parts L Series (L100, L70, L48) Spare Parts . When you've made an investment in a highly engineered Yanmar engine, it makes sense to maintain its reliability by using only genuine Yanmar spares.. Genuine Yanmar parts are designed to fulfill all technical and performance requirements precisely new yanmar 2v750-c diesel engines for sale. 2 cylinder, v-twin, vertical shaft, water cooled. 2009 year model. yanmar's vengeance series engine features a lightweight alloy block, cast iron heads, and trochoid oil pump (self priming, internal gear pump with constant capacity). uses a top moun.. , alternators, water pumps, heat exchangers and other Yanmar boat parts Yanmar Diesel Cooling System Find what you need to keep your Yanmar Diesel Cooling System operating in top form with parts by Seakamp Engineering and Sierra
Browse our inventory of new and used Yanmar Engine For Sale near you at MachineryTrader.com. Models include 4TNV98-YTBL, 4TNV106-GGEA, 4TNV98-ZNSAD, 2T90LE BLOCK, 3TNV82A-BDSA, 3TNV84T-BKSA, 3TNV88-BDSA, 4TNV84T-DSA, 4TNV88, and 4TNV98-ZGGE. Page 1 of 3 Visit yanmar.com.au or email email@example.com for more information on the Yanmar 3YM20 diesel engine. YANMAR 3YM20 DIESEL ENGINE SPECIFICATIONS. TYPE Three-cylinder diesel engine. RATED HP 21.7 at 3600rpm. TORQUE 50Nm at 2200 to 2500rpm. DISPLACEMENT 854cc. BORE X STROKE 70 x 74mm. WEIGHT 130kg (dry w/gearbox
Yanmar Diesel Engine Co., Ltd. (Osaka, JP) 3. A diesel engine according to claim 1, further comprising: A cooling water pump 8 is fixed onto the upper portion on left side of the front surface of gear case 3 and feeds cooling water to the water jacket around left cylinder HL through a cooling water hole 39 and to the water jacket around. 2GM20 Diesel Engine, Engine, Lubricants, Cooling System, Fuel System (Engine), Optional Fuel System Components, Electrical System, Repair Items, Repair Kits, Zinc Shaft Clamp Anodes - Seawater Use, Chemicals, Tools & Manual
The Yanmar 1500 does not have a water pump (though we offer a kit to add one) and does not have a thermostat. it is important to keep the coolant mixture to about 25% antifreeze during the summer to prevent overheating. The small 2 cylinder diesel engine is amazingly reliable. The main causes of problems on this tractor: 1)- Overheatin Yanmar 3TNV70, AJUV, 0.854L Engine Complete Running Core 3 Cyl Diesel ESN: CH3009D259321 BCN: 4923K HCN: 4917F 2014 model year. 22.8HP. Test ran 11-2 All-speed governor, insterlocked with easy-to—operate, durable Yanmar-DickeI type fuel injection pump, assures minimum load fluctuations and excellent low—speed oper— ation. Rotary type cooling water pump featuring ample circulating water and simple construc— tion makes the engine seizure—free Yanmar 2 Cylinder Diesel Tractor; Contents • • • • • • • • • Specifications [ ] It is a, vertical, diesel engine. It is built around two (hence the '2' in 2GM20) of 75 mm in diameter and 72 mm in, adding up to 0.635 litres in displacement: each cylinder is roughly the size and volume of a 300 ml 3 Cylinder Yanmar Diesel Parts, Parts Yanmar Diesel Engines, Yanmar Injectors Nozzle for Sale manufacturer / supplier in China, offering Yanmar Diesel Injection Pump Parts 3 Cylinder Yanmar Diesel Parts, Diesel Fuel Feed Pump 096140-0030 20mm for Toyota, Zexel Injection Pump Head Rotor 146403-6120 for Nissan and so on
10HP Diesel Crankcase Crankshaft Oil Seal Fits Yanmar L100 Chinese Engine 186F 8.00 4.90 SALE; 10HP Diesel Cylinder Head Gasket L100 Yanmar Engine 12.95 10HP Diesel Fuel Line Fit Yanmar & Chinese Engine Banjo 19.9 The new line of Final Tier 4 engines continues to build upon the legendary reliability of the Yanmar TNV line with a focus on vibration reduction and higher-strength materials. The result is an engine more than capable of handling the most demanding applications The water pump is one of the most pivotal pieces of equipment in a diesel engine. If the impeller is damaged the water pump will not distribute enough coolant to prevent engine overheating. Adjust the alignment and inspect all pieces of the water pump before determining the exact source of the engine overheating
Water Pump, Belt Driven 7-Blade, 360mm Cooling Fan—Puller Type 70º F (21º C) Thermostat Type• • • 3 Cylinder, 4-Cycle, Liquid Cooled Diesel Engine Application standards for Yanmar industrial engines: Inlet air standard conditions with a total barometric pressure of 100kPa (29.5 in. Hg), with a vapor pressure of 1 kPa. I have a Kobota 3 cylinder diesel on a Grasshopper 721D mower. At random times (loaded or idling) it loses power then either recovers or stalls. It is very hard to start in that it sputters or lags before finally coming up to speed. I had the injectors rebuilt and tested but that did not help. I.. Marine Diesel Engine, Marine Diesel Engine Set, Diesel Engine manufacturer / supplier in China, offering Yanmar 8n330 Series 4000HP-4500HP Marine Diesel Engines as Main Engine of Cargo Ships with CCS Certificate, 500kw Weather Proof Silent Land Use Diesel Generator Set with Cummins Engines, 30kw-350kw Trailer Avespeed Range Diesel Generator Set/Generating Set/Genset and so on Yanmar Diesel Motor, Ce Certificate Diesel Engine, Mobile Diesel Engine manufacturer / supplier in China, offering 6HP 6 Horsepower 178 Reciprocating Single Cylinder Vertical Diesel Boat Engine, Cag New 3kw 3500kVA Side Control Panel Key-Start Portable Gasoline Generator, 7HP 3.5kVA Electric Start Portable Petrol Generator with Wheel and Hand and so on
Demo Of Yanmar 4LHA-STP 240hp 4 Cylinder Bobtail Marine Diesel Engine With Instrumentation (Model YPD-MP2,MP4) for Yanmar Diesel Engine Model TNV. Fuel injection unit is an essential mechanism of diesel engines, and thus, has to be designed to allow fine adjustment to the engine load. Therefore, the components of the fuel injection pumps are required to be given high-precision. To meet this requirement
. They were all set to send a mechanic to our boat if the 2nd rebuild did not solve it. They had an injector pump from a Wartsila 32 engine - the 32 refers to cylinder diameter in cm so about 1' piston diameter for you metrically challenged types yanmar 3 cylinder diesel engine--We are an experienced supplier for yanmar 3 cylinder diesel engine.We can provide you with yanmar 3 cylinder diesel engine with low costs but long wear life. Tdi diesel water pump. Conference call : Tdi diesel sensor. Conference call : Citroen C2 Car engine parts turbocharger
Diesel Parts & Service stock a range of small to large diesel engines to suit a range of needs. We stock market leading diesel engines from brands such as Kubota, Perkins, Deutz, Kohler, Yanmar, Cummins and more. We are Brisbane's first choice in the sale and service of diesel engines and stock a large range of new diesel engines And with the modern relentless drive for efficiency, it is good to know that Yanmar's highly precise FIE direct injection system makes use of every droplet of fuel, offering superb lifetime value. Being a very compact industrial diesel engine, the L48N has found itself fulfilling a huge variety of uses in stationary and mobile applications The pump is at a specialist being serviced and we have ordered a shim set for the pump from Yanmar. This all started last fall when I hooked up a garden hose (40 lb) to the water inlet instead of letting the impeller, through suction, draw the correct amount of water into the engine to flush it out 1GM10 Diesel Engine, Engine, Lubricants, Cooling System, Fuel System (Engine), Optional Fuel System Components, Electrical System, Repair Items, Repair Kits, Zinc Shaft Clamp Anodes - Seawater Use, Chemicals, Tools & Manual
Y380 Yangdong 3 cylinder; Y385 Yangdong 3 cylinder; Y480 Yangdong 4 cylinder; Y485 Yangdong 4 cylinder; Water Pump Housing Y380/Y385/Y480/485* Y480G-D1022 $ 9.50 Gasket, Water Pump Internal Y380/Y385/Y480* Diesel Engine Operation & Maintenance Y85 (Y385/Y485)* Y85EOPMANUA Our Yanmar diesel engine parts cover this engines: 3TNE84D - 4TNE84D - 4TNE84T - 3TNE88 - Valve Retainer, Water Pump, Water Pump Seal, Thermostat, Oil Pump, Lift Pump, Cylinder Head, Head Bolts. cummins parts cummins marine cummins diesel engine parts cummins diesel engine kits. Lookup By Yanmar 2T80-UJ Engine Block Good Used 2B2902 International T444E, 7.3L Engine Complete Rebuilt 59F7D210E, 2502497C91 Fits Kubota V3300, V3300DI-E2B, V3300DI-T-E2B Main Bearing STD New 1C020-2347 Yanmar 3 Cylinder 4-Cycle Liquid Cooled Diesel Engine: SKU: quiet, fuel efficient and reliable compact diesel engines, MINIMAX has achieved compliance with 2008 EPA Tier 4 and EU stage III A exhaust emissions regulations. Reliable and Durable. Water Pump, Belt Driven . 5-Blade, 300mm Cooling Fan—Puller Type. 160ºF (71ºC) Thermostat Yanmar Marine 9,000 Watt Diesel Generator - This Yanmar marine diesel generator is suitable for continous use and has plenty of power to run your house or fishing boat.. This unit uses keel cooling. A keel cooler is a closed circuit cooling unit mounted on a vessel's hull beneath the waterline. This closed circuit cooling system eliminates the need for an inboard heat exchanger, raw water.
Yanmar 3JH4E, 3JH5E, 4JH5E Seawater Pump 129271-42502 Replacement Replaces Yanmar 129271-42502 Replaces Johnson 10-13328-03 Mounting gasket 129150-01881 is not included. This is a non-OEM, aftermarket part JMP JPR-YM04JH02(B) Pos Description Yanmar.. Yanmar TNV Arrangement and power Arrangement 2TNV70 2 cylinder vertical in-line diesel engine, naturally aspirated 3TNV70 3 cylinder vertical in-line diesel engine, naturally aspirated 4TNV84 4 cylinder vertical in-line diesel engine, naturally aspirated Power 2TNV70VM From 5.96 kW, 7.99 hp @ 2000 rpm To 9.12 kW, 12.23 hp @ 3000 rpm 3TNV70VM. Yanmar's successful wave-ribbed 'monoblock' cylinder block, stampforged carbon steel crankshafts and connecting rods are part of the story of strength in all CH engines. They also have a special thermocontrolled, fresh water cooling system that keeps all vital parts at optimum operating temperature, greatly saving wear and prolonging. The YM4220, about 50 HP, also has the 3T84 engine, and the YM4500, 54 HP is a 4 cylinder, but can't find what the YM4300 has. I believe the 84/90 is piston diameter in mm, although that doesn't hold true for smaller engines like 2T20, etc