
Redrive / Reduction Drive For ultralight aircraft engines.
Also known as PSRU - Over 685 sold worldwide.
Fits: Commercial V-Twin: 627 cc to 993 cc. Including singles:
Briggs & Stratton, Predator 670, Kohler, Subaru, Honda and more - GK, Odes and LZmoto - Honda Silver Wing - Yamaha Phazer - Suzuki Geo - and more.
627 cc V-Twin engines. With Poly V-Belt rerive.
623 cc V-Twin

993 cc V-Twin engine. With Poly V-Belt redrive

Ace.Aviation redrive on WW1 replica: Nieuport 11
Eccentric shaft adjustment is built in to all Ace Aviation redrives.


Belt tension locked by 2 Allen head bolts on "eccentric shaft.

* Belt tension should be under 29 Nm`s

PRICES Poly - V Belt types
Up to 28 hp - - - US $ 679 - - - £ 559 - - - € 639
28 to 35 hp - - - US $ 759 - - - £ 629 - - - € 699
35 to 44 Hp - - - US $ 789 - - - £ 649 - - - € 735
44 to 50 hp - - - US $ 829 - - - £ 695 - - - € 765
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Freight to mainland USA . - - - - - US $ 119
Freight to mainland the U.K. - - - £ 94
Freight to Mainland Europe. - - - - Euro 98
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Standard Ratio 1 / 1.8. - - - - - Easy eccentric shaft adjuster.
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Your engine must have the standard parallel crankshaft of 1 to 1 7/16 ths.
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Customer is responsible for getting / buying the keyless bush for small pulley to the crankshaft. Not supplied by Ace Aviation.
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All nuts and bolts are in all fittings that join all redrive parts together. BUT Customer gets bolts that go from the backplate to their engine crankcase.
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V-Twin. Commercial Engines
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Designed for up to 50 HP
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Redrive weight - 623 cc = 3.9 Kg.
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Redrive weight - 993 cc = 4.2 Kg
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1:1.8 standard ratio
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Easy eccentric cam adjuster
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Fully assembled from Ace Aviation.
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Redrive fixing for:
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Briggs and Stratton
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Predader 670 and others
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Honda
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Subaru
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Kawasaki
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Kohler
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Lifan
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Yamaha
And many others.

Legal Eagle. (Leonard Milholland)
Tooth pulley redrive Option for: Briggs & Stratton
types. Up to 50 hp
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Price - Tooth Belt redrive: $ 1099 - £ 879 - € 1029
Freight: USA is $ 139 - UK is £ 106 - Europe is € 126
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* Belt tension should be under 29 Nm`s for Poly V-belt redrive.
* And under 25 Nm`s for Tooth / timing belt redrives.
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* Shaft lock bush NOT included
* Over 685 redrives sold globally.
Designed for light weight and strength, using top quality SKF bearings and appropiate, high grade materials.
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Tooth Pulley - Redrive - Reduction Drive - PSRU - Tooth pulleys and belt
GK. Gaokin - LZmoto - Odes - V-Twin engines. - Yamaha Phazer -
61 hp, 66 hp and 85 hp


Eccentric shaft adjustment for belt tension is common to all Ace Aviation redrives. Takes just 5 minuites to tension the 2 Allen head bolts.


* Belt tension should be under 25 Nm`s for all Tooth / timing belt redrives
PRICES. 800 / 850cc: - - - $ 1099 - - - £ 879 - - - € 1029
PRICES. Up to1000cc: - - - $ 1199 - - - £ 938 - - - € 1143
Freight to mainland USA. - - - - US $ 139
Freight to mainland the U.K. - - - £ 106
Freight to Mainland Europe. - - - Euro 126
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All GK redrives come with mounting blocks & plates, taper crankshaft adapter, assembly bolts for all machined parts. Ready to fit onto engine.
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GK 800 & 850 redrive: Comes with mounting blocks & plates, taper crankshaft adapter and assembly bolts for all parts made by Ace Aviaion.
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1000 cc engine: Upper backplate to the engine is supplied. As above.
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Customer is responsible for getting / buying the keyless bush for small pulley to the crankshaft. This is Not supplied by Ace Aviation.
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All nuts and bolts are in all fittings that join all redrive parts together. BUT Customer gets bolts that go from the lower 4 backplate holes to their engine crankcase.
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Standard Ratio 1 / 2.33
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Easy eccentric shaft adjuster build into the design.

Designed for up to 86 HP
Redrive weight - 4.8 Kg
1:2.33 standard ratio
Easy eccentric cam adjustment for belt tension
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Shaft lock bush NOT included
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Redrive - Reduction Drive - PSRU for:
Honda - Silver Wing. 50 Hp. 4 stroke engine


1 / 3.3 Standard ratio.
Honda Silver Wing redrive: US $ 899 - £ 719
Freight to mainland USA. - - - - - - US $ 109
Freight to mainland UK. - - - - - - - £ 79
Freight to Mainland Europe. - - - - Euro 92


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Redrive - Reduction Drive - PSRU for
Yamaha Phazer. 2 cylinder 80 hp and 3 cylinder 100 hp engines.

Coming soon
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Redrive - Reduction Drive - PSRU for
Single Commercial engines. 200 - 460 cc. Briggs, Honda, and more.



PRICES:
US $ 619
£ 499
€ 509
Freight to Mainland USA - - - - - - - US $ 99
Freight to mainland UK - - - - - - - - £ 83
Freight to Mainland Europe - - - - - Euro 86
GX 200
Designed for up to 24 HP
2.75 kg
GX 390/420
Designed for up to 32 HP
2.85 kg
1:1.8 standard ratio
Easy eccentric cam adjuster
Send fully assembled
Eccentric shaft adjustment on all Ace Aviation redrives. Makes belt tension a 5 minuite job.
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Customer is responsible for getting the crankshaft / keyless bush for small pulley. Not supplied by Ace Aviation.
Redrive fixing for:
- Honda GX 200/390/420
- Subaru 6-15 HP
- Briggs & Stratton 8-15 HP
- Kawasaki
- Kohler
- Lifan
- Yamaha
And others of the same HP
Shaft lock bush NOT included