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150cc Piranha PIT BIKE ENGINE

Complete Engines
Item no:  2119

Qty: - +








Piranha 150cc kick start engine.

The Piranha 150 engine can run as air cooled or hook up one of our oil coolers for total performance. Now comes with outer rotor ignition and oversized kick start shaft.  Includes kicker, shifter, intake manifold and rubber spigot.

Features:
  • Externally Removable oil filter
  • Quick access clutch cover
  • Super strong engine with the Daytona Style

Engine
Displacement 149cc
Engine Type Air Cooled, Single-Cylinder, 2-valve, 4-stroke
Bore/Stroke 56mm x 59mm
Final Drive Chain
Fuel Delivery no
Fuel Unleaded / 91 Octaine
Reccomended Engine Oil 10W-40 Petroleum Based (Nonsynthetic)
Ignition
Kick Start Yes
Electric Start no
CDI no
Auxillary Output no
Transmission
Transmission 4-Speed Manual 4Up
Shift-Pattern Four-speed Transmission: N-1-2-3-4
Clutch
Rear 5 plate manual







Starting pit bike engines will take some practice. All pit bike engines have relatively high compression ratios and require a "quality over quantity " approach in order to ensure quick start ups and avoid mechanical mishaps. It is important follow this routine the first few times when first attempting to start your bike.
  1. Slowly kick engine over until the kick start reaches a compression stroke (the point in which the kick start lever is hardest to push down.)
  2. Slowly continue to press the kick starter until the engine rotates slightly through the firmest point in the compression stroke.
  3. Allow the kick start lever to return back its top rest position
  4. With a quick and balanced motion - Move down forcefully on the kick lever. These motors need a strong, quick kick to get started.
  5. If you fail to follow this procedure, especially with longer stroke engines or 125cc + bores you can cause serious damage to your crankcase, clutch and transmissions assemblies!
Tips to Avoid kickback
  1. Hold onto the crossbar pad with your throttle hand while kicking the bike over to avoid twisting the throttle open by accident
  2. Before start up - turn the idle screw on the carburetor in a turn or 2 (turn the screw back out to normal idle setting once running.)
  3. Use a digital CDI with variable ignition timing at start-up, this will help reduce kick back and allow the bike to start much easier compared to the stock CDI unit.
  4. If ignition timing is adjustable it should be adjusted to the minimum
  5. Furious, repeated kicking will not get the engine started - firm, full stroke kicks are the only way to get them to start first kick, every time "Quality over Quantity"
  6. Throttle must be completely closed when you kick the engine over or it will kick back EVERY TIME.
  7. A small blip of the throttle maybe used when the engine is hot if required but NO more than 10 ° opening of the throttle in any case.



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