Choose Options Quick view SALE Freewheel Sprocket for HD axle $24.99 $9.99 Rear freewheel sprocket for heavy duty axle. For use with 4 Stroke bicycle engine kits - requires Freewheel Thread. Available in 3 sizes: 44 Tooth, 48 Tooth, and 56 Tooth. Not sure which sprocket to choose? Check out our Bicycle Engine Sprocket Guide... Choose Options Add to Wishlist
Out of stock Quick view Sold Out Engager Cable/Slack Adjuster $2.99 Engager Cable and Slack Adjuster for the Stage III transmission clutch cable system. Out of stock Add to Wishlist
Out of stock Quick view Sold Out Valve Spring (Part #66) $8.99 $4.99 4 Stroke Engine Replacement Part # 66 -- Vavle Spring (set of 2) Out of stock Add to Wishlist
Out of stock Quick view Sold Out Oil Plug Dip Stick $3.99 4 Stroke Engine Replacement Part # 44 -- Oil-Scale Out of stock Add to Wishlist
Out of stock Quick view Sold Out Round Copper Gasket for 4 Stroke 2 Piece "Poo-Poo Pipes" $2.99 Round Copper Gasket for 4 Stroke 2 Piece "Poo-Poo Pipes" Out of stock Add to Wishlist
Out of stock Quick view Sold Out Outer Gear Box Gasket $1.99 Outer Gear Box Gasket for Stage II and III transmissions. Out of stock Add to Wishlist
Out of stock Quick view Sold Out Screw Rod for CDI Attachment $1.99 4 Stroke Engine Replacement Part # 37 -- Screw 2 Out of stock Add to Wishlist
Out of stock Quick view Sold Out Eccentric Cam for 5/8 Transmission $24.99 Eccentric cam rotates inside the transmission in order to adjust the tension of the belt. Out of stock Add to Wishlist
Out of stock Quick view Sold Out 10 Tooth Solid Gear Jackshaft $9.99 Stage III 10 tooth solid sprocket jackshaft. No keys included. Out of stock Add to Wishlist
Choose Options Quick view SALE Freewheel Sprocket & HD Axle Kit w/Brake $69.99 $29.99 Make your own heavy-duty rear wheel for your motorized bike. Each kit includes a chain drive sprocket in your choice of 3 sizes, freewheel sprocket mounting hub, drum brake, and heavy duty axle that's ready for spokes and a rim. For use with any chain... Choose Options Add to Wishlist
Out of stock Quick view Sold Out 4G Transmission Shaft Kit $34.99 Direct replacement shaft kit includes Item#’s ENG4GT-NTSDS, ENG4GT-S10TDS, ENG4G-B6, ENG4G-78PAW, ENG4GT-KLOTP and ENG4GT-K112TFS Out of stock Add to Wishlist
Out of stock Quick view Sold Out Sliding Engager Gear Key $1.99 Sliding engager gear key. Out of stock Add to Wishlist
Out of stock Quick view Sold Out Timing Gear #85 $5.99 4 Stroke Engine Replacement Part # 85 -- Timing Gear Out of stock Add to Wishlist
Out of stock Quick view Sold Out Pull Start Repair Kit $6.99 Repair kit for pull start on gas bike engines Out of stock Add to Wishlist
Out of stock Quick view Sold Out Oil-Ring (3 in Set) $6.49 4 Stroke Engine Replacement Part # 28-4 -- Oil-Ring Out of stock Add to Wishlist
Out of stock Quick view Sold Out 4G Peek-a-Boo 80T Pulley Cover $14.99 Replacement cover for the tapered shaft 4G transmission. Peek-a-Boo Cover is for use with the 80 tooth freewheel on the 4G T-Belt drive transmissions and will not fit any other size pulley. Out of stock Add to Wishlist