Reference: CR7HSA / 4549
Short base candle NGK CR7HSA (hot index)
NGK CR7HSA spark plug for 4-stroke scooter engines, motocross, Quads... and other applications.
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Here is the complete TNT RACING high engine + spark plug + crankshaft kit for pocket bike, pocket quad, pocket super-biker… from TNT RACING. This kit offers a diameter of 44mm (which increases the engine displacement to around 70cc against the original 50cc), it is delivered 100% complete as in the photo.
This new HYPER RACING version has a two-part gold anodized stud bolt for better cooling, the compression ratio is improved! The piston is also improved for better filling / ballaying!
It therefore contains :
Seals
Bi-piston rings
Segments
Piston pin
Piston clips
Two-part cylinder head
Aluminum cylinder
Crankshaft
Candle
Needle cage
Recommended with a 15mm SHA carburetion kit (around 72 jet to start). After running-in and adjustments: A CR8HIX-9 spark plug. SP98 or SP100 only, 3 to 3.5% quality 2T oil!
Reference: CR7HSA / 4549
NGK CR7HSA spark plug for 4-stroke scooter engines, motocross, Quads... and other applications.