Fits Make/Model/Year:Fit for Honda TRX90 Sportrax 1993-2005Fit for Honda C90 Cub 1986-2002Fit for Honda C90M Cub 1985-2003Maybe also fit Chinese 90cc ATV, such like Kazuma Falcon 90, Baja 90 90U 90R Trail ATV, Baja 90 Wilderness, Roketa 90,Coolster 90,Suni 90 ,Taotao 90 and more.Will not fit Honda CT90, ST90 - Flat Top Piston will not fit models with domed piston.Please compare our kit with your original part to make sure this is the correct kit that you want.Replacement Part Number:Cylinder: 12101-GB1-900Cylinder Head: 12200-GN8-920Cylinder Head Cover: 12301-GB6-910Cylinder Head Cover Gasket: 12391-GW8-680Cylinder Head R Side Cover: 12331-GB0-910Cylinder Head R Side Cover Gasket: 12394-GW8-680Cylinder Head L Side Cover: 12341-GB6-910Cylinder Head L Side Cover Gasket: 12395-GW8-680Oil Drain Plug(x2): 12361-035-000Cylinder Base Gasket: 12191-GW8-681Cylinder Head Gasket: 12250-GAN-770Piston (Std): 13101-GT0-000Pin, Piston: 13111-GB0-910Piston Ring Set (Std): 13011-HF7-305Circlips, piston: 94601-13000Valve Stem Seals: 12209-GB4-681Carb Insulator Gasket: 16201-HF7-000 Package Includes:1x Cylinder1x Cylinder Head1x Cylinder Head Cover1x Cylinder Head Cover Gasket1x Cylinder Head R Side Cover1x Cylinder Head R Side Cover Gasket1x Cylinder Head L Side Cove1x Cylinder Head L Side Cover Gasket2x Oil Drain Plug1x Cylinder Base Gasket1x Cylinder Head Gasket1x Flat Piston1x Piston Pin1x Piston Ring Set2x Circlips2x Valve Stem Seals1x Carb Insulator Gasket1x O-Ring kit Features:Complete engine cylinder Top end rebuild kit for Honda 90cc.If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you.Kit includes cylinder, cylinder head, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured).Includes all gaskets pictured to rebuild top end.Kit is for standard bore size - 47mm, 13mm steel piston pin.This kit is excellent as a low-cost replacement for defects in the original cylinder. Specifications:Condition: Aftermarket 100% Brand NewQuantity: 1 SetMaterial: Aluminum, SteelDisplacement: 86ccBore Type: Standard BoreBore Size: STD 47mmIntake Valve: 23mmExhaust Valve: 20mmPin Diameter: 13mmPin Overall Length: 38.5mm Note:Please note that this kit is intended to be installed in it's entirety.It is built to work as a unit and will not necessarily be an exact swap with individual existing components on different Honda 90 models.Please confirm that the engine in your bike is the year and model you expect.Some of these bikes are over 50 years old now and are not always all original.The product on offer is an accessory or spare part and thus is not an original product of the vehicle manufacturer.The name of the vehicle manufacturer is stated only as an indication of the determination of the product being offered as an accessory or spare part, to clarify, for which vehicle the product on offer Fits. Shipping:Free ShippingHandling time: Ship within 24 hoursDelivery Time: 3-7 business days Warranty:1. Condition: 100% Brand New2. Warranty Period: 1 Years3. 24-Hour Support: Provide you with timely after-sale support