Engine

Help and Instructions

  • Engine Help

    Easy engine identification points, but beware as some parts become interchanged over the years.
    8hp Models: 13 head studs. Hole for starter motor approx. 51mm diameter.
    8hp 'Narrow block' early Model Y. Width approx. 135mm, Cylinder bore 2.23 ins (56.6mm), Fibre gear driven camshaft, Two water inlet holes in block.
    8hp Model Y, width approx. 138mm, Otherwise as above.
    8hp Model (37 on) Chain driven camshaft, Single water inlet hole in side of block.
    10hp models: 13 head studs, Hole for starter motor approx. 70mm diameter.
    10hp Model C, Cylinder bore 2.5 ins (63.5mm), Fibre gear driven camshaft, Two water inlet holes in block.
    10hp Model (37 on) Chain driven camshaft, Single water inlet hole in side of block.
    100E model: 14 head bolts, Cylinder bore 2.5" (63.5mm), Integrated water pump.

    Full details are available in our technical manuals

Subcategories

Parts

Price from: £293.54 Each (£352.25 inc. VAT)
Aluminium inlet manifold with 1 1/2" ports for fitting triple HS2 1 1/4" bore carburettors (part number AP-9510-3SU) or HS4 1-1/2" SU carburettors (special order and limited availability). Weight...
Price from: £95.11 Each (£114.13 inc. VAT)
Three piece aluminum 'heat sink' bracket set that bolts on to both the MkII and MkIII six cylinder Aquaplane inlet manifolds (part numbers AP-9425-6CYLMK2 and AP-9425-6CYLMK3). If purchased with a...
Price from: £141.94 Each (£170.33 inc. VAT)
Alloy inlet manifold for fitting twin downdraft Solex carburetors, weight approx 0.7kg
Price from: £40.00 each (£48.00 inc. VAT)
12 volt sport coil, offered with push in HT wire connection only
Price from: £305.28 Each (£366.34 inc. VAT)
Aluminium inlet manifold with 1 1/2" ports for fitting triple HS2 1 1/4" bore carburettors (part number AP-9510-3SU) or triple HS4 1-1/2" SU carburettors. Weight approx 3.20kg. Supplied with 6 x...
Price from: £86.44 each (£103.73 inc. VAT)
Copper cylinder head gasket for higher tuned 100E engine. Cut from annealed soft sheet. 152mm wide, 358mm long (overall), 1mm thick.
Price from: £82.27 each (£98.72 inc. VAT)
head gasket for 100E Elva ohv conversion head. 154mm wide, 362mm long (overall) Cut from annealed soft copper sheet 1.5mm thick.
Price from: £10.39 pack (£12.47 inc. VAT)
Hardened washers for alloy Aquaplane cylinder head (under bolt). Packet of 14 pieces for engine.
Price from: £97.02 each (£116.42 inc. VAT)
Piston to crankshaft connecting shaft with conversion to take shell bearing, includes small end bush fitted (you fit to your pin). Specification - cast in GGG50 and heat treated for strength and...
Price from: £19.38 each (£23.26 inc. VAT)
oversize 1/16" (approx 1.5mm) than standard valve.
Price from: £3.40 each (£4.08 inc. VAT)
for use in 105E/123E engine, also on E93A and 100E Aquaplane head
Price from: £47.93 engine set (£57.52 inc. VAT)
Extra strong valve spring set (8 pieces) - approx dimensions 38.5mm tall, 28.5mm diameter, 4mm wire.
Price from: £46.54 engine set (£55.85 inc. VAT)
sports valve spring, per engine set (8). specify 8/10hp or 100E engine. 100E are made to Terry V.S. 483 spec.
Price from: £52.35 set of 8 (£62.82 inc. VAT)
sports valve spring, per engine set (8). specify 8/10hp or 100E engine. 100E are made to Terry V.S. 483 spec.

Price from: £46.54 engine set (£55.85 inc. VAT)
sports valve spring, per engine set (8). specify 8/10hp or 100E engine. 100E are made to Terry V.S. 483 spec.

Price from: £83.76 each (£100.51 inc. VAT)
Head gasket for 10hp Elva over-head valve conversion head, 139mm wide, 322mm long. Copper/non asbestos substitute/copper 1.9mm thick.
Price from: £39.37 each (£47.24 inc. VAT)
10mm steel plate for DIY (self build) inlet/exhaust manufacture, offered for 100E engine or E93A engine which will also fit on to the 8HP units.
Price from: £41.34 each (£49.61 inc. VAT)
10mm steel plate for DIY (self build) inlet/exhaust manufacture, offered for 100E engine or E93A engine which will also fit on to the 8HP units.

Price from: £39.37 each (£47.24 inc. VAT)
10mm steel plate for DIY (self build) inlet/exhaust manufacture, offered for 100E engine or E93A engine which will also fit on to the 8HP units.

Price from: £46.97 each (£56.36 inc. VAT)
8/10hp aluminium bracket which fits to side of engine (see fitting instructions to see illustration of item in place on engine) for allowing mounting of dynamo to side of engine (on specials etc)....
Price from: £12.39 each (£14.87 inc. VAT)
distributor drive shaft coupling, longer shaft to accommodate for the extra thickness of a aquaplane cylinder head 73mm long, 12mm diameter with drive slots top and bottom, slots measure 12mm long...
Price from: £157.50 each (£189.00 inc. VAT)
aluminium cover suitable for 8/10hp & 100E. weight .640kg
Price from: £219.44 each (£263.33 inc. VAT)
Aluminium cover suitable for 8/10hp & 100E with rev counter drive and camshaft fitting
Price from: £64.62 Each (£77.54 inc. VAT)
with dynamo fitment. specify 3" (75mm dia) or 4" (100mm dia) dynamo size. we have modified the 4" unit so that it will accept fitment of 12 volt dynamo. see fitting instructions for picture of...
Price from: £0.00 Each (£0.00 inc. VAT)
with dynamo fitment. specify 3" (75mm dia) or 4" (100mm dia) dynamo size. we have modified the 4" unit so that it will accept fitment of 12 volt dynamo. see fitting instructions for picture of...
Price from: £64.62 Each (£77.54 inc. VAT)
with dynamo fitment. specify 3" (75mm dia) or 4" (100mm dia) dynamo size. we have modified the 4" unit so that it will accept fitment of 12 volt dynamo. see fitting instructions for picture of...
Price from: £518.75 each (£622.50 inc. VAT)
Aquaplane alloy cylinder superhead for 100E engine, weight approx 3.5kg. Compression ratio is approx 8 to 1. Please note that the main face of these heads feature a milled finish but will...
Price from: £460.55 each (£552.66 inc. VAT)
Aquaplane alloy cylinder superhead for 10hp model. Weight approx 3.5kg. 
Price from: £304.95 Each (£365.94 inc. VAT)
aquaplane aluminium flywheel with gear ring and steel pressure face insert for the 105E engine, can also be used on 109E, 113E, 116E & 123E.
Price from: £206.44 Each (£247.73 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £279.98 Each (£335.98 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £272.54 Each (£327.05 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £206.44 Each (£247.73 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £247.96 Each (£297.55 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £219.73 each (£263.68 inc. VAT)
Aquaplane full oil flow alloy valve chest cover , supplied with fittings and screws (without pipe).
Price from: £137.02 each (£164.42 inc. VAT)
Aquaplane alloy valve chest cover (if fitted to 100E there will be no breather)
Price from: £225.43 each (£270.52 inc. VAT)
High volume (approx 25% greater gear drive area)
Price from: £379.84 each (£455.81 inc. VAT)
Cast aluminium oil cooler (as original Aquaplane pattern). 285mm wide, 230mm tall, 45mm deep, female 1/4 BSP inlet/outlet thread, mounting bracket 60mm tall with 85mm long base and 8mm bolt hole....
Price from: £258.56 each (£310.27 inc. VAT)
For 8/10hp, aluminium
Price from: £7.54 each (£9.05 inc. VAT)
stainless steel deep manifold nut for fitting aquaplane inlet/exhaust manifolds
Price from: £147.62 each (£177.14 inc. VAT)
Alloy inlet manifold for fitting twin SU carburettors to the 8/10hp models listed below. Weight approx 0.69kg
Price from: £186.36 Each (£223.63 inc. VAT)
Alloy inlet manifold for fitting twin SU carburetors to 105E and 307E models. Weight approx 0.69kg
Price from: £280.35 each (£336.42 inc. VAT)
Cast iron exhaust manifold for 100E engine original Aquaplane refence number AP/1400
Price from: £274.13 each (£328.96 inc. VAT)
Cast iron exhaust manifold for 8 or 10 hp engine original Aquaplane part reference 1400
Price from: £961.23 pair (£1153.48 inc. VAT)
Twin HS2 1 1/4" bore carburettor assembly complete with linkages and banjo fuel unions, for fitting to our Aquaplane inlet manifold. Set up for 10hp/100E, price is for a set up of two carburettor...
Price from: £961.23 Each (£1153.48 inc. VAT)
Twin HS2 1 1/4" bore carburettor assembly complete with linkages, for fitting to our 105E Aquaplane inlet manifold. Set up for 105E, 109E, 113E, 116E, 123E etc. Weight approx 1.8kg INLET MANIFOLD...
Price from: £3.65 Each (£4.38 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP
Price from: £3.65 Each (£4.38 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP

Price from: £4.65 Each (£5.58 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP

Price from: £5.96 each (£7.15 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP

Price from: £8.21 each (£9.85 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP

Price from: £9.91 Each (£11.89 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP

Brass Plug
Price from: £11.58 Each (£13.90 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP

Brass Plug
Price from: £14.41 Each (£17.29 inc. VAT)
Hexagonal headed brass drain plug with flanged collar - offered in the following thread sizes 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" BSP and 1" BSP

Brass Plug
Price from: £80.02 each (£96.02 inc. VAT)
copper cylinder head gasket for higher tuned E93A engine, cut from annealed soft sheet. 138mm wide, 321mm long, 0.90mm thick.
Price from: £88.81 each (£106.57 inc. VAT)
Re-manufactured piston to crankshaft connecting rod. Integrated studs with conversion to take shell bearing. Includes small end bush fitted, (you fit to your pin). Specification cast in GGG50 and...
Price from: £23.74 each (£28.49 inc. VAT)
Oversize head inlet valve, 31mm head diameter, 4.3/8" (111.13mm) long, for tuning purposes.
Price from: £12.05 pack (£14.46 inc. VAT)
chemical black hardened washers for fitting under nuts on alloy Aquaplane cylinder head. packet of 13 pieces (engine set) 3/8"id, 3/4"od, 1/8" thick.
Price from: £7.27 each (£8.72 inc. VAT)
steel plate to blank off fuel pump mount on engine block.
Price from: £83.90 pack (£100.68 inc. VAT)
Steel cylinder head stud for Aquaplane alloy cylinder head. Per pack of 13 pieces (engine set)
Prices shown include VAT @ 20% where applicable