Comer c50 or c51 engines what we are selling is blueprint and dyno tested engines you send us your engine in working condition with all your info we will do are work to them the above price includes,bearings,gaskets ,rings and special spark plug and true and straighten crank we also install in new clutch springs and jet the carb and set it up ready to win races.

These engine's are tested and spec'd for wka rules before they leave are shop but we are not responsable if they fail tech at a race function we don't have any control after they leave are shop.

Engines performance stock is 1.8hp and about 11000 rpm max

Pserra racing rebuild's and blueprint's the engine and  trick's it out .We have been  building  2 stroke engines  for 20 years . Your new Pserra Comer will be broken  in on are dyno, tested  with a report and send it back to you with about 2.5hp to 2.6hp and about 12800 rpm

$399.00 Blueprint and Dyno tuned.*

*The above price does not include the c51/c50 engine if you need a new engine please add additional $629. to the price

Turn around time 3 to 4 business days.If any further questions please

call 416-989-0351

Video of a customer  at state championship (kart is red #88)

http://youtube.com/watch?v=Pk83RUr6jRo

For more details on the C50 Breakdown click here