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Reduction Gearboxes 3.5cc and 7.5cc

GB1NA MOCOM 3.5cc gearbox 3.5cc with standard 2:1 ratio 14T x 28T.  Complete with CNC machined aluminium body, flywheel/drive gear, lower Mod 1-10mm wide delrin gear, 5mm drive shaft, bearings etc.     wpe19.jpg (211290 bytes)     £82.00
GBV2A MOCOM Valvola gearbox complete. APPROVED BY CMB. This is a new CNC machined aluminium gearbox body with 16mm stainless steel shielded ballraces with oil feed to each bearing. This is a lightweight, perfect design for the Valvola engine making the engine sit lower in the boat than any other gearbox. Complete with  14T top steel gear and  flywheel, 27T bottom delrin gear, aluminium gear carrier and 10mm wide gears for strength. Can be used as shown with a coupling or with a straight through 5mm shaft.

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£79.00
GB25RS Same as GB25 but machined to fit the RS45 only. NEW CNC lightweight machined aluminium housing with 7mm diameter main nitrided steel shaft. Gear is 10mm wide delrin with aluminium gear carrier.  The lower delrin gear can easily be changed and is held onto the gear carrier by three high tensile screws. The main bearings are 7x19x6.  rs452box.jpg (134828 bytes) £69.00
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. GB1NA and GBV2A GEARBOX SPARES . .
GB22 Gearbox rubber mount kit complete. 4 short RM8 rubber mounts, 2 alloy angles, 4 M4 mounting feet and screws.  . £10.95
GBV3 14 Tooth steel gear, flywheel and cone.

£18.00
GBV26 26T delrin gear 5mm bore drilled for gear carrier

£8.95
GBV27 27T delrin gear 5mm bore drilled for gear carrier

£8.95
GBV28 28T delrin gear 5mm bore drilled for gear carrier

£8.95
GBV31 2 ballraces 5mm id x 16mm od.for the 3.5cc GB1NA and GBV2A Valvola gearbox

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£7.50
GBV32 Hardened mainshaft 5mm diameter wpe24.jpg (10702 bytes) £5.00
GBV33 Gear carrier and screws.5mm bore

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£8.00
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. 7.5cc GEARBOX SPARES . .
GB22A Gearbox rubber mount kit complete. 4 RM9 rubber mounts, 2 alloy angles, 4 mounting feet and socket cap screws.  wpe58.jpg (21811 bytes) £11.00
GB8 Flywheel and steel gear, 20T tooth (cone  included).  Fits all 45 EVO and EVO2/2 and RS engines £21.00

GB8A Flywheel and steel gear, 21T tooth (cone  included).Fits all 45 EVO and EVO2/2 N/A
GB8B 20T steel gear for CMB 45 RS.   .wpe1.jpg (34869 bytes) £18.50
GB8C 21T steel gear for CMB 45RS  .wpeA.jpg (31919 bytes) £18.50
GB26 Spare delrin gear for GB25. 7mm bore, 10mm wide.  predrilled, 30T £8.95
GB27 Spare delrin gear for GB25..7mm bore, 10mm wide. 31T £8.95
GB27A Spare delrin gear for GB25..7mm bore, 10mm wide. 32T £8.95

GB27B Spare delrin gear for GB25..7mm bore, 10mm wide. 33T £8.95
GB29 Gear carrier for GB25, 7mm bore, aluminium with screws. wpe21.jpg (8167 bytes) £7.95
GB30 Lower gear-shaft, 7mm diameter x 150mm long nitride hardened steel  with welded end collar.  .wpe27.jpg (10702 bytes) £6.50
GB701 Standard bearing for 7.5 gearbox. 7x19x 6 stainless steel  bearingphoto.jpg (15833 bytes) £3.95
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. 3.5cc GEARBOX SPARES for the old GB1A gearbox. . .
GB7 Flywheel, steel gear and collet.  18T    £18.00
GB7A Flywheel, steel gear and collet.  19T . £18.00
GB14 35 tooth delrin gear 9mm bore 10mm wide, 3.5cc £8..95
GB9 36 tooth delrin gear 9mm bore, 10mm wide, 3.5cc  . £8.95
GB9A 37 tooth delrin gear 9mm bore , 10mm wide, 3.5cc . £8.95
GB10 38 tooth delrin gear 9mm bore, 10mm wide, 3.5cc . £8.95
GB10A 39 tooth delrin gear 9mm bore, 10mm wide, 3.5cc . £8.95
GB13 Stainless steel replacement ballrace for the old 3.5 gearbox GB1A.  6x19x6. .bearingphoto.jpg (15833 bytes) £3.95
 

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