Big Bore Sets
Big Bore Kits
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Product no.: 72650 72SMK
72cc big bore kit for 6V engine, including cylinder head with large 20/23 mm valves. Steel cylinder with 72cc imprint → Suitable for Honda Dax ST50 Chaly CF50 Monkey Z50A Z50 J1 J2 SS50 and other 6 volt engines |
149.90 € * In stock |
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Product no.: TBW9066
146ccm big bore kit for Skyteam Lifan among others with 13mm piston pin, cylinder length 79mm We recommend the Lifan cylinder head with large valves (see accessories below) |
269.90 € * In stock |
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Product no.: 352-0006600
Piston rings for Kitaco 164ccm Kit MSX/ Monkey Z125
→ Also suitable for Kawasaki KLX KSR engines 110-143 |
21.90 € * In stock |
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Product no.: 212-1444150EX
164cc Big Bore kit, for MSX / grom / Monkey Z 125
→ 60mm, for stroke 57.9mm |
189.99 € * In stock |
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Product no.: TBW90-67
Big Bore Kit 141ccm, for 120/125ccm engines with 52.4mm bore and 55mm stroke. 120ccm is stated because many 125ccm engines only have 120ccm in reality despite 125ccm printing |
269.90 € * In stock |
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Product no.: 214-1083112
Kitaco Big Bore Kit 88ccm with cylinder head with large valves and sharp camshaft.
Suitable for 12 Volt Honda Dax Monkey Chaly and also replica engines such as Skyteam etc. |
399.90 € * In stock |
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Product no.: 85-ST70
Big Bore Set 85ccm 51mm consisting of: 51mm 6 volt piston for ST70 head |
89.90 € * In stock |
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Product no.: 96803
Daytona 88ccm New Hyper Kit, parts like photo. Suitable for Honda Dax Monkey 12 volt engines → + 1HP |
459.99 € * In stock |
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Product no.: 5905220834518 (72A)
72cc kit with cylinder head, 72ccm imprint, suitable for 12 volt engine, cylinder head has EGR connection. As is also the case with Kepspeed 50cc vehicles |
99.90 € * In stock |
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Product no.: 5905220834518 (49A)
72cc kit with cylinder head, 49cc imprint.
Suitable for 12 volt engines, cylinder head has EGR connection, like Kepspeed 50 cc vehicles |
129.90 € * In stock |
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Product no.: DAY88401
Daytona SOHC 2 valve engine conversion kit Big Bore with 88ccm for 12 volt engines (Skyteam, Honda, Lifan etc.) → Cylinder head with racing camshaft, 22/25 mm valves and accessories as shown in the photo |
329.90 € * In stock |
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Product no.: 214-1014202 / 214-1013202
High-quality big bore 88ccm kit from Kitaco, with cylinder head suitable for Honda Dax Monkey SS50 and others.
Only fits 6 volt engines, parts like photo without camshaft. For suitable camshafts, see accessories below |
379.90 € * Currently unavailable |
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Product no.: 01-05-3008
88ccm Big bore kit from Takegawa suitable for Honda Dax ST70 and others with racing camshaft, only fits if the ST 70 head with 22/25mm valves is installed.
Does not fit the 50 standard head |
359.90 € * In stock |
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Product no.: 215-1015001 / 215-1015420
88ccm big bore kit from Kitaco for 6 volt engine, Dax Monkey Chaly,
Only fits if the ST70 head is installed. Does not fit standard 50 head |
289.90 € * In stock |
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Product no.: 7265049SMK
72ccm Big Bore Kit suitable for Honda Dax ST50 Chaly CF50 Monkey Z50A Z50 J1 J2 SS50 and other 6 volt engines |
159.90 € * In stock |
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Product no.: CYK012/AY3511
60cc kit with 49cc print, suitable for 50cc 12 volt engine (Skyteam, Honda AB23, Lifan etc.) The kit can be used with an original 50cc carburettor |
59.90 € * In stock |
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Product no.: 381
72cc tuning big bore kit consisting of cylinder, piston, cylinder head, seals suitable for Honda 12V, also for replica engines e.g. Skyteam 50cc |
99.90 € * In stock |
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Product no.: 851250MK
Big Bore Kit for 12V engine 85cc suitable for Skyteam Dax Monkey Skymini Skymax and other 12 volt engines Consisting of: Cylinder, Piston, Cylinder head, Head and Foot Gasket |
169.90 €
149.90 € * You save 12 %
In stock |
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Product no.: 85650ok
85ccm Big Bore Kit 51mm 6 Volt suitable for Honda Dax ST50 SS50 Monkey Z50A Z50 J1 J2 Chaly CF50 and other 6 Volt engines → Suitable for the 50 head |
129.90 € * In stock |
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Product no.: 72650 72a
72cc big bore kit steel cylinder or aluminum cylinder with 72cc imprint or 49cc imprint. Suitable for 6V engine 50 head. We recommend cylinder head type 916 Suitable for Honda Dax ST50, Honda Monkey Z50A Z50J1, Honda SS50 and other 6 volt engines |
99.90 € * In stock |
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Product no.: 7265049a
72cc Big Bore Kit suitable for 6V engine (50 head). We recommend cylinder head type 916 → Cylinder with 49cc imprint Suitable for Honda Dax ST50 Monkey Z50A Z50 J1 SS50 and other 6 volt Honda engines |
129.90 € * In stock |
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Product no.: 7265049amk
72cc big bore kit aluminum for 6V engine including cylinder head. Print on cylinder 49cc, head has 20/23mm valves → Suitable for Honda Dax ST50 Chaly CF50 Monkey Z50A Z50 J1 J2 SS50 and other 6 volt engines |
174.99 € * In stock |
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Product no.: 0027
Big Bore Kit 212cc for Zongshen 190cc engine, 2 valve pistons with piston rings, aluminum cylinder with steel bushing and seals |
215.90 € * In stock |
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Product no.: 214-1013402
Kitaco 88ccm kit suitable for Honda Dax ST50 Honda Monkey Z50 and other 6V engines.
Suitable for standard 50cc head and the 916 head (see accessories below) (not suitable for ST70 head) |
139.90 € * In stock |
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Product no.: 212-1013480
Kitaco Big Bore Kit light 75 cc 48mm, for 6V engine with 50 head
→ 49cc imprint.
Available with silver or black cylinders |
139.90 €
119.90 € * You save 14 %
In stock |
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Product no.: Day 80117
212cc kit for Daytona 190 4 valve start engine (cylinder is cut out in one place). But also fits on daytona 190 without estart (not suitable for Zongshen 190) |
299.90 € * In stock |
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Product no.: TBW0936a
Complete 88ccm TB Parts Racing big bore kit for 12 volt engine (Honda, Skyteam etc.) → without ccm imprint on the cylinder |
569.90 € * In stock |
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Product no.: TB 1
Big Bore Kit from TB parts. 88cc for 6 or 12V engine with 50 head, without cc information on the cylinder → The cylinder head 916 fits |
199.90 € * Currently unavailable |
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Product no.: 85650mk
85cc big bore kit suitable for 6 volt Honda engines → Consisting of: |
189.90 € * In stock |
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Product no.: 851250ok
12 Volt Big Bore Kit suitable for 12V motor with 50 head such as Skyteam Dax Monkey Skymax Skymini Honda Dax AB23 Monkey Z50 J2 etc. Consisting of: Cylinder, Piston, Head and Foot Gasket |
119.90 € * In stock |
| 1 - 30 of 35 results |
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Big Bore Kits 60-75ccBig Bore Kits 60-75cc |
 Big Bore Kits 85-88ccBig Bore Kits 85-88cc |
 Big Bore Kits 141-146ccBig Bore Kits 141 / 146cc |
 Big Bore Kits 164ccmBig Bore Kit 164ccm |
 Big Bore Kits 212ccBig Bore Kit 212cc |