Derestriction kit for Rieju MRT SM & PRO Euro5 50cc 2-stroke mopeds. Not suitable for (Euro4 or Euro5+)

Derestriction kit for Rieju MRT SM and PRO 50 models fitted with Euro 5 engines. Designed to remove the factory restrictions and restore engine performance, allowing achievable speeds of approximately 45MPH.

What the kit does:
-Removes key Euro 5 restrictions affecting exhaust flow, gearing and fuelling,
-Improves throttle response and overall engine performance,
-Restrictions removed.

Catalyst (A+B):
The restricted exhaust manifold at the cylinder is removed and replaced with the supplied manifold and new gasket.

Front sprocket (C):
The original front sprocket is replaced with one featuring a different tooth count to alter final drive gearing.

Main jet:
A larger main jet is fitted to increase fuel flow and suit the derestricted setup.

Gas return valve (D):
Disabled by blanking the inlet in the air filter using the supplied plug.

Kit contents
1 × Front sprocket
1 × Exhaust gasket
1 × Exhaust elbow
1 × Main jet
1 × Rubber air filter plug

For competition use only. Not road legal!

0/000.770.0099