Tuning Kit Full Doppler ER1 MBK 51 LC

Get this engine pack Full Doppler ER1 MBK 51 LC to bring the performance of your moped to the next level. The carefully assembled tuning components (cylinder, crankshaft, exhaust, variator) come from moped specialists Doppler, fit together perfectly and guarantee top performance and high reliability.

The ER1 cylinder is a sport / racing aluminium cylinder with Nikasil coating with 6 transfer ports and an exhaust with boost ports, with 1 piston ring. It comes with cylinder head. The cylinder has excellent torque in the mid to high rpm range.

The Endurance crankshaft is a great match for the cylinder, it is a high quality racing shaft with FAG piston pin bearings, suitable for sport and race engines up to 13,000 rpm. Also included in the kit: crankshaft bearings + oil seals reinforced C3 cage polyamide MBK 51 / 88. This set includes 2x 6302QR bearings and 2x crankshaft seals.

The engine is supported by an ER1 exhaust, also from Doppler. Classic clear painted tuning exhaust with chromed aluminium silencer. The system yields a significant increase in power, especially in the mid and high rev range, and is therefore a perfect match for the ER1 cylinder.

And that's not all - a variator / CVT is also included in the pack. The ER3 is a high quality variator for MBK 51 mopeds (without clutch function). It is an oversize variator designed for 50cc and 70cc race engines. The weights are screwed onto a retaining plate on the outside, a suitable Allen key is supplied. 12 weights are included. Note: This variator cannot be used with the original clutch.

Contents of the engine pack:

• Cylinder Kit Doppler ER1 Alu 50cc MBK 51 LC
• Crankshaft Doppler Endurance MBK 51
• Exhaust Doppler ER1 MBK 51
• Variator Doppler ER3 MBK 51 (without clutch)
• Crankshaft bearing + oil seals reinforced C3 cage polyamide MBK 51 / 88