Lambretta Gear box MB-5 (5 gears, cluster and selector) Race-Tour MB
£714.00
£595.00
Out of stock
SKU
MRB0853
Gearbox, 5 speed, MB (5 gears, cluster and spider) MB5
This our the MB-5 Lambretta gearbox, designed and tested by Mark Broadhurst.
Gearing suits all engine applications from a standard 125 to an all out 250 race engine.
Check out the Technical and Tip tabs below for more information.
Comes with.......
- 5 speed 1st gear, MB-5
- 5 speed 2nd gear, MB-5
- 5 speed 3rd gear, MB-5
- 5 speed 4th gear, MB-5
- 5 speed 5th gear, MB-5
- 5 speed cruciform, MB-5
- 5 speed cluster, MB-5
- 2 x 0.2mm cluster shims, MB-5
- 1 x 0.5mm cluster shim, MB-5
- Kickstart piston, MB
Spares are available if you ask.
Write Your Own Review
Please read our Tech-Sit on fitting gear boxes before you fit your MB 5 speed.
https://mbtechsite.co.uk/portfolio-items/fitting-mb-engine-gearbox/
2017 onwards
50/10 1st
41/12 2nd
38/15 3rd
37/18 4th
36/20 5th
2017 onwards top gear ratios
15 x 46 - 5.52:1 80 link chain normal up chain guides
16 x 46 - 5.18:1
17 x 46 - 4.87:1 81 link chain normal up chain guides
18 x 46 - 4.60:1
19 x 46 - 4.36:1 82 link chain normal up chain guides
20 x 46 - 4.14:1
21 x 46 - 3.94:1
15 x 47 - 5.64:1
16 x 47 - 5.29:1
17 x 47 - 4.98:1
18 x 47 - 4.70:1 82 link chain normal up chain guides
19 x 47 - 4.45:1 82 link chain normal up chain guides
20 x 47 - 4.23:1
21 x 47 - 4.03:1
(Before 2017 small batch)
(50/10 1st)
(41/12 2nd)
(38/15 3rd)
(37/18 4th)
(34/19 5th)
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