{"product_id":"bhir-1127342","title":"TOPPE KIT RACING 2 HEAD D.49.5 85CC AM6","description":"\u003cp\u003eRacing piston-cylinder unit Ø 49.5 for Maxi Kit 85cc. Part no. 9921760\u003c\/p\u003e\u003cp\u003eWarning: Only fit together with crankshaft Part no. 9920410 !!!\u003c\/p\u003e\u003cp\u003eScope of delivery:\u003c\/p\u003e\u003cp\u003e1 Cylinder Ø 49.5 mm in special “MINACROM” cast iron (with chrome additive)\u003c\/p\u003e\u003cp\u003e1 Piston Ø 49.5 with high silicon content \u003c\/p\u003e\u003cp\u003e1 Chrome-plated steel piston ring 1 mm thick \u003c\/p\u003e\u003cp\u003e1 Piston gudgeon pin Ø 12 x 42 mm \u003c\/p\u003e\u003cp\u003e1 Roller bearing for gudgeon pin Ø 12 x 15 x 15 mm \u003c\/p\u003e\u003cp\u003e2 Gudgeon pin circlips \u003c\/p\u003e\u003cp\u003e1 Combustion chamber \u003c\/p\u003e\u003cp\u003e1 Combustion chamber cover \u003c\/p\u003e\u003cp\u003e8 O-ring Ø 7.66 x 1.78 in Viton, green \u003c\/p\u003e\u003cp\u003e1 O-ring Ø 53.7 x 1.78 in Viton, green \u003c\/p\u003e\u003cp\u003e1 O-ring Ø 22.22 x 2.62 in Viton, green \u003c\/p\u003e\u003cp\u003e1 O-ring Ø 28.24 x 2.62 in Viton, green \u003c\/p\u003e\u003cp\u003e1 O-ring Ø 104.37 x 3.54 \u003c\/p\u003e\u003cp\u003e1 Reduction for temperature sensor \u003c\/p\u003e\u003cp\u003e1 Plug M14 x 1.25 \u003c\/p\u003e\u003cp\u003e1 Aluminium gasket for plug M14 x 1.25 \u003c\/p\u003e\u003cp\u003e1 Cylinder base gasket 0.5 mm \u003c\/p\u003e\u003cp\u003e1 Reduction bushing for exhaust from Ø 28 to Ø 25 mm\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eBore: 49.5 mm\u003c\/p\u003e\u003cp\u003eStroke: 44 mm\u003c\/p\u003e\u003cp\u003eDisplacement: 85 cc.\u003c\/p\u003e\u003cp\u003eSquish: 0.9 ± 0.1\u003c\/p\u003e\u003cp\u003eTiming diagram: exhaust: 191° \/ transfer ports: 132°\u003c\/p\u003e\u003cp\u003eCompression ratio: geometric: 14.7:1 \/ actual: 8:1\u003c\/p\u003e\u003cp\u003eRecommended spark advance: 17° (1 mm before TDC)\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"TOP PERFORMANCES","offers":[{"title":"Default Title","offer_id":58185259909468,"sku":"1127342","price":510.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/5072\/8284\/files\/800Wx800H-1127342-1.jpg?v=1783062935","url":"https:\/\/checkout.xparts.weostores.com\/products\/bhir-1127342","provider":"xparts","version":"1.0","type":"link"}