300cc. Engine ACE. Over Head Cam (OHC)

300cc. Engine ACE. Over Head Cam (OHC)
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£699.97 £583.31 ExVAT

Product Code: 9525

Engine. 300. ACE. Over Head Cam (SOHC)



PLEASE NOTE THIS ENGINE IS TOO HEAVY TO SHIP TO AUSTRALIA! Can be sent with parts removed in 2 boxes please contact us.


Finally here the Skyteam ACE 300cc conversion kit. Make the bike feel like a proper motorcycle.

Standard 40W gen


100W upgraded gen so there is a slight mod required to convert to the new system, it’s a real benefit better lighting and battery is always right up for cranking speed on cold days.


  • 300 SOHC 70mm x 70.2mm Bore and stroke act 270cc
  • 5 Speed transmission 1-N-2-3-4-5 UP
  • Comp 9.2 : 1


Tested at rear wheel in ACE 20/22BHP approx engine output 26 bhp crank

load of low to mid range driving power

We also do a complete kit with engine, adaptors air box conversion exhaust, CDI and rear sprocket available at a saving to the customer over buying the individual parts.


Whats included:

  • Engine pre checked and PDI ready for use.
  • 30mm carb kit with pumper carb but this is not connected and has been pre jetted to work with a free flowing exhaust “we don’t recommend you use the 125 Exhaust as it will over heat due to the amount of restrictions. See our D CAT front pipe this works well.
  • Exhaust gasket
  • NGK spark plug
  • 15T front sprocket 15T “We recommend a 34T rear sprocket
  • Front engine bracket “In red”
  • Kick start 16mm
  • 3 Phase up grade reg/rec
  • RAM AIR Sock air filter


The engine is a straight fit into the frame, front engine bracket need spacing out inside on some bike “not all” washers supplied with kit.


Height 450mm

Width 300mm

Depth 300mm


Top engine mount we are not using as the seem to not need it but you can re drill your old ones if you wat the extra brace.


Uses the below standard parts from the bike

  • Clutch cable
  • Reg/Rec
  • CDI or our performance one
  • Ignition coil


Please note:

You need to remove the air box, so you will need a battery box conversion

The manifold supplied with the engine dose not allow enough room to get a normal pod filter so we have supplied a RAM AIR sock filter that cable ties on.

This engine is very heavy (over 30kg) so can't ship to Australia! Contact us for mor details abouth shipping options



Product Code9525