Lambretta Cylinder kit, RT225/230, standard piston ported, Race-Tour MBgm
£462.00
£385.00
Out of stock
SKU
MBGM0260K
Cylinder kit 225 (RT kit) MBgm (Race-Tour)
Please click here for the official fitting booklet
It includes:
- Alloy cylinder fully cast and machined with modern retro port spec
- Plated cylinder bore
- 70mm MBgm CAST coated Race-Tour piston kit
- Machined CNC cylinder head with 8 point mounting
- High tensile long cylinder studs and special head nuts
- Exhaust manifold studs and washers
- MB exhaust deep Brass nuts
- Inlet gasket
- 4 point exhaust gasket
- 0.5 and 0.7mm MB base alloy gaskets
- 4 high tensile head bolts and washers
Ready to fit.
Small end bearing and heads gasket come separately.
PLEASE READ THE SETTING UP INSTRUCTTIONS AND CARB SETTING UP BEFORE YOU PHONE FOR ADVICE
Click here for Setting up instructions
| Brand | MB Racetour |
|---|
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- Long term reliable and powerful porting specs.
- Can be used with standard or performance carbs from 18 - 35mm.
- Can be used with standard exhausts, Clubman or performance expansion chambers.
- 4 studded exhaust flange, but can still use standard exhausts no problem.
- Thicker anti warp head and base faces.
- Improved port flowing.
- Alloy cylinder to run cooler with an extra top fin.
- Nicasil plated for long lasting friction free running.
- Easily modified transfer feeds to match existing over sized transfers.
- Uses top quality MBgm Race-Tour forged pistons.
- Cylinder head recessed into the cylinder bore for easy set squish clearances.
- Extra four studs to bolt cylinder head down.
- The most versatile Lambretta cylinder kit ever made.
- Mark Broadhurst has probably tuned and machined more Lambretta cylinder barrels and heads than anyone else this development and history of tuning has been put into our touring cylinder kit.
- The key word is touring but with plenty of further tuning potential and reed valving.
- Mark has developed his often copied touring Stage 4 tuning technology and modified it into a modern cylinder kit.
- Check ring gap before fitting.
- Check the cylinder slides down the cylinder studs and drops into casing free.
- Seal base gaskets or faces with silicone sealer.
- Seal cylinder head gasket or faces with a loctite.
- Torque head nuts down to 18-20 lbs ft and re-torque at 500 - 800 miles.
- Always check squish clearances, it should be 1 - 1.5mm.
- These cylinders have a new shape inlet 200 type port, inlet manifolds ideally need matching to suit.
- Early cylinders can be tight on the exhaust port fins, so some modification is required if using the MBgm Clubman
Examples are from 5.2:1 - 4.3:1
- Li150 Italian 15x46, 16x46, 17x46, 17x47, 18x47
- Gp125 Italian/Indian 18x47, 19x47,19x46, 20x46, 20x47
- Sx200 15x46, 16x46
- Tv200 15x46
- CNC machined.
- Nicasil bore.
- Uses MB Race-Tour MBgm pistons.
- Power out put vary depending on set up and who's dyno is used, we've seen from 9 - 22bhp from a standard cylinder.
- Comes with normal 39mm crown height pistons to suit 107mm or 110mm con rods.
- With the use of different base/head gaskets/packers port timings are adjustable to suit touring or Road-Race use.
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