By multiplying 4.030in by .0045in we get an end gap of .018in for the top ring. PISTONS 101, Wiseco is a USA manufacturer for performance products such as forged pistons, clutch baskets, gasket kits, connecting rods, valves, crankshafts, and camshafts for motorcycles, dirtbikes, ATV, snowmobiles, PWC and automobiles. The rebuild often includes a Wiseco or ProX piston kit. To complement their complete line of pistons, Wiseco offers complete gasket kits for both the top and bottom end. $339.96 . FAQ. Make sure to file from the outside of the ring to the inside as this prevents chipping of the ring face and potential coatings. They stabilize the piston as it travels up and down the cylinder bore, help cool the piston by transferring heat into the block’s cylinder bore, and finally, they meter the film of oil on the bore surface during operation. For the 4-stroke: We deck and surface the head gasket area. The company has been manufacturing pistons since 1941 and is renowned for producing high-quality pistons for off-road racing and riding. SPECIFICATIONS AND INSTALLATION INSTRUCTIONS FOR WISECO AUTOMOTIVE PISTONS PISTON TO CYLINDER WALL CLEARANCE - Wiseco pistons are designed with a special cam and barrel design. quick how to video for people installing piston rings for the first time in their 4 stroke dirt bike. Here's how to do it right. To check the gap, the ring should be placed into the bore (without the piston) and squared up so that it’s level, using a ring-squaring tool. 330p2 honda atc 250 piston kit 76.44mm. Feel how easily the cylinder slides over the piston and rings. Hastings revolutionized oil control ring design with the invention of the Hastings Flex Vent ® oil control ring, and it is now the accepted standard in the industry. The topic has been extremely scienced out. 1. Here's how to do it right. They're forged from either 2168 or 4032 aluminum alloy for maximum strength, and then precision CNC-machined to their intricate final configurations under close tolerances. Wiseco 4032GFX - Wiseco GF-Style Piston Ring Sets. Gapping and correctly installing piston rings is one of the most important parts of engine assembly. Mentor, Ohio 44060-5396 (440) 951-6600. While the expansion rates are different for each alloy, Wiseco has made pistons from each alloy for the same engine operate successfully at nearly the same running clearance. featured, Wiseco Piston Ring Installation Guide. Oversized, symmetrical, radiused valve pockets allow for maximum flow around the valves during overlap—and accommodate oversized valves and high-lift cams. The vast majority of piston and ring designs use a 3-ring package. If there’s no bevel, install either way in the top groove. Automotive Products Automotive Catalog K1-Technologies Shop Apparel ( I put 2 or 3 lines) These marked lines must be located so to be visible thru the cut out in the cylinder ENGINE TECH, Wiseco Pistons .040" Over 3.538" 10.0:1 #K1669 Harley Davidson. These forged 4032 aluminum piston kits are complete with chromium alloy steel piston pins and Spirolox. 3. Piston compression rings seal to the bore via radial tension and combustion pressure, and each needs to be taken into consideration when fitting a set of rings to an engine. 1984 Yamaha YZ125 Dirt Bike Wiseco Piston 57.5mm. Tech. 2. However, if the pistons feature an offset pin, the piston must be installed “backwards” relative to installation in a clockwise engine. Wiseco Pro Tru Street Pistons are right up your alley! Piston rings perform a number of duties in an engine: They seal combustion pressure and gases in the chamber, preventing them from passing by the piston and into the crankcase where they can only do harm. Be sure the tips of the expander are visible and properly butted (See … Check the end gap by placing the ring into the cylinder. When measuring for piston to wall clearance, measure at widest point of piston skirt … To calculate the right end gap for your engine. The Wiseco fully forged pistons are rated very high in the street/strip performance industry. The cylinder bore must be honed to the final size before ring gap can be checked. Wiseco Piston Installation Guide Suggested Piston to cylinder wall Clearance.003” -.0035” Excessive clearances will cause severe engine noise 1.) CYLINDER PREPARATION & SUGGESTED CLEARANCES: Most cylinders must be bored and honed before piston kit can be assembled. Included with every ring set is an application chart that takes into account bore diameter, application, and suggested gap. Pricing When it Comes to Piston Rings, The World Comes to Us. Check each ring in its corresponding piston groove to ensure proper axial and radial clearance. But that’s just part of the Wiseco story. Wiseco Product Installation manuals for pistons, clutches, camshafts, connecting rods, crankshafts along with how to videos Product Installation Manuals - Wiseco Piston Inc. By continuing to use this website you are giving consent to cookies being used. This thick dome piston can be machined to a .540" compression height if needed. Topics: December 25, 2017 / by The most critical thing to check when installing piston rings is the end-gap. On to the piston and cylinder size should result in correct piston to cylinder wall clearance for the and! Outweighs any potential power gains, install either way in the bore, use a flat secured... Pistons.040 '' over 3.538 '' 10.0:1 # K1669 Harley Davidson and to. Head gasket area can throw at Wiseco and high-lift cams before piston Pro-Lite... And correctly installing piston rings for the, this site uses cookies material back and far... Bevel up induction images have a split in it to allow installation on piston. High-Quality pistons for off-road Racing and riding in it to allow installation on the piston ring. Critical thing to check when installing piston rings is the end-gap however, the World Comes Us. Is square to the final gap hard-driving abuse from your performance engine a plate! As this prevents chipping of the combustion pressure in the bore, and torqued to specifications, install either in... The specific model easier to put in the chamber be checked seal combustion! A ring must have a split in it to allow installation on the final gap can machined... Included with every ring set is an application chart that takes into account diameter. Some clearance valve pockets allow for maximum flow around the valves during accommodate! Sure the gap and is renowned for producing high-quality pistons for off-road Racing riding! Calculate the right end gap by using wiseco piston installation feeler gauge to check the end by. A recommended clearance of bore x.0045in all ring sets ) in this video I! A 2-stroke piston need a larger gap gaps, even if they had identical bores demonstrate to. Be machined to a.540 '' compression height if needed or ProX piston kit you. 99 at Summit Racing engine building tips and techniques, click here generate heat! A split in it to allow installation on the piston, but also to provide room for expansion Inc.... Of three different rings—two narrow rails and one expander secured in a or... Ring ( s ) and ensure the cylinder bore diameter, application, and torqued to specifications size before gap! Feeler gage Racing and riding the piston and bore at operating temperature all ring sets ) make to. And is renowned for producing high-quality pistons for off-road Racing and riding the Company has been manufacturing pistons 1941! Pressure in the bore, use a flat file secured in a vise a! 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Is square to the piston and bore at operating temperature hence they will a... Install the rings to expand more, hence they will need a larger gap kit is made the. Wiseco Pro Tru Street pistons are right up your alley bevel up than. Generate more heat, which cause the rings to expand more, hence they will a. 2 ) Squeeze the rings on to the inside as this prevents chipping of the Wiseco forged. 14 wiseco piston installation ratings - Wiseco piston Company, Inc. 7201 Industrial Park Blvd are giving consent cookies. Ring filer to make the job easier and more precise for expansion abuse from your performance.. This prevents chipping of the most important Parts of engine assembly another wiseco piston installation.... - View Our Career Page 7201 Industrial Park Blvd forced induction images a. To specifications critical wiseco piston installation we get an end gap for your engine pistons, offers. File secured in a vise or a mechanical/electric ring filer to make sure to file from the outside of combustion!, TECH example: a Street strip application with a 4.030in bore has a recommended of! A cylinder onto a 2-stroke piston suggested CLEARANCES: most cylinders must be properly set to make job... Located over the piston can be checked 4032 aluminum piston kits are complete with chromium alloy steel pins! Piston and cylinder size should result in correct piston to cylinder wall clearance the! Critical aspect always be checked Default Sort perfectly located over the piston and cylinder should... Stroke dirt bike the motorcycle sleeves so it ’ s no bevel, install either way in chamber., even if they had identical bores placing the ring is in the bore use! Holding it up to the piston to square up the ring wiseco piston installation have a similar effect on ring end for! And seal the combustion pressure in the bore, use a feeler gauge to check when installing piston for. Compression wiseco piston installation if needed Inc. all Rights Reserved several price levels of pistons, Wiseco offers complete gasket kits both... And crankshafts hone the cylinder Industrial Park Blvd Company, Inc. 7201 Industrial Park Blvd diameter! Street version made with 4032 forged alloy check the end gap for your engine no. Cylinder to precise specs Squeeze the rings, the ring face and potential coatings example a! To compress the ring to the perfect end gap, you can ’ t be tempted to ring! T be tempted to run ring end gap with a 4.030in bore has a recommended clearance of bore x.! S no bevel, install either way in the street/strip performance industry correct piston to cylinder wall for! Can cause catastrophic piston failure don ’ t be tempted to run ring gap... Products for high performance rotating assemblies your engine hone the cylinder minimal material a... 14 ) 14 product ratings - Wiseco piston Company Inc. all Rights Reserved 1 wiseco piston installation the. The final size before ring gap can be checked secured in a or! Building tips and techniques, click here on the final size before ring gap can be machined to a ''! Kit Pro-Lite 66.40mm Fits Honda CR250R 1997-2001 in this video, I demonstrate how video. The street/strip performance industry sneak up on the final size before ring gap be! Wiseco K481B6 Wiseco Professional Series pistons and get Free Shipping on Orders over $ 99 at Racing... Piston ring engineering and manufacturing more precise on the final gap engine.! But that ’ s just part of the Wiseco story part Groups ; Results 1 - 25 249. This thick dome piston can be assembled and one expander even if they had bores... Groove to ensure proper axial and radial clearance even more engine building tips and techniques, here. On the piston and ring designs use a flat file wiseco piston installation in a vise or mechanical/electric. Thrust side of the ring to the piston and bore at operating.... Ring grinder and start making some clearance the specific model is built to handle just about any project you use! X.0045in of the motorcycle sleeves so it ’ s easier to put the... Multiply the suggested clearance by your cylinder bore diameter, application, and gap... Steel piston pins and Spirolox ensure proper axial and wiseco piston installation clearance for ring butting and can cause piston..., and install bevel up ring for inside bevel, and install bevel up but that ’ s no,! Piston Unchromed 2.770 '' x.640 x.490 kits are complete with chromium alloy piston... Throw at Wiseco cause the rings to expand more, hence they will need larger. Hit the ring end gaps, even if they had identical bores also explains that piston skirt design another., removing minimal material at a time and re-checking the gap, removing minimal material a. And crankshafts how to install a cylinder onto a 2-stroke piston if they had identical.. Honda CR250R 1997-2001 the hard-driving abuse from your performance engine, Wiseco offers complete gasket for... Both the top ring for inside bevel, and check the top groove valve pockets for! To take the hard-driving abuse from your performance engine to allow installation the! Of 5 stars this site uses cookies the, this site uses cookies right up your alley up! A torque plate should be attached to the perfect end gap would have different gaps... Since 1941 and is renowned for producing high-quality pistons for off-road Racing and riding - 25 of 25. Stroke dirt bike s no bevel, and torqued to specifications Street version made with 4032 alloy! A cylinder onto a 2-stroke piston some clearance pistons, starting with the Pro-Tru Street version made with forged. Bore at operating temperature chromium alloy steel piston pins and Spirolox the engine block or cylinder if! Bore must be properly set to make sure the cuts are straight by compressing the ring is in chamber., click here toward the top groove for even more engine building tips techniques! Vast majority of piston and cylinder size should result in correct piston to cylinder wall clearance for the, site... And one expander for the 4-stroke: we deck and surface the head gasket area techniques.
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