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![Honda NS 400 R [Naraku]-Variator weightset](http://motorize.de/cdn/shop/files/fd7fc6a215480035cdcc0abbfe03e91d_cf59fb5c-3ace-47f1-9cda-3b16546bdcd9.webp?v=1747043179&width=360)
€44,00 EUR
![Honda NS 400 R [SW-MOTECH]-universal GPS focalor set](http://motorize.de/cdn/shop/files/dc56fb31ecb6ffd83029090be9617fc8_05560a37-2eb1-49a7-937c-ab4588d41b19.webp?v=1747043177&width=360)
![Honda NS 400 R [101 Octane] - coupling holder](http://motorize.de/cdn/shop/files/03a58b6608a47570b54bee675d27f710.webp?v=1746968818&width=360)
![Honda NS 400 R [Oxford] - belt tank pack](http://motorize.de/cdn/shop/files/1106107-1-800Wx800H.jpg?v=1746966221&width=360)
![Honda NS 400 R [Oxford] - belt tank pack - 0](http://motorize.de/cdn/shop/files/1106107-2-800Wx800H.jpg?v=1746966224&width=360)
€179,00 EUR
![Honda NS 400 R [Brembo] - brake pads](http://motorize.de/cdn/shop/files/1035974-1-800Wx800H.jpg?v=1746966215&width=360)
![Honda NS 400 R [Brembo] - brake pads - 0](http://motorize.de/cdn/shop/files/800Wx800H-1035974-2.jpg?v=1746966218&width=360)
€34,00 EUR
![Honda NS 400 R [Brembo] - brake pads](http://motorize.de/cdn/shop/files/1035964-1-800Wx800H.jpg?v=1746966212&width=360)
€44,00 EUR
![Honda NS 400 R [Cl Brakes] - brake pads](http://motorize.de/cdn/shop/files/1034933-1-800Wx800H.jpg?v=1746966202&width=360)
![Honda NS 400 R [Cl Brakes] - brake pads - 0](http://motorize.de/cdn/shop/files/1034933-2-800Wx800H.jpg?v=1746966204&width=360)
€44,00 EUR
![Honda NS 400 R [Brembo] - brake pads](http://motorize.de/cdn/shop/files/1035961-1-800Wx800H.jpg?v=1746966197&width=360)
![Honda NS 400 R [Brembo] - brake pads - 0](http://motorize.de/cdn/shop/files/800Wx800H-1035961-2.jpg?v=1746966198&width=360)
€34,00 EUR
![Honda NS 400 R [Nissin] - semi -metallic brake pads](http://motorize.de/cdn/shop/files/1036619-1-800Wx800H.jpg?v=1746966193&width=360)
![Honda NS 400 R [Tourmax] - repair kit Main brake cylinder](http://motorize.de/cdn/shop/files/1023727-1-800Wx800H.jpg?v=1746966190&width=360)
![Honda NS 400 R [NTN] - steering column bearing set](http://motorize.de/cdn/shop/files/3031811-1-800Wx800H.jpg?v=1746966187&width=360)
![Honda NS 400 R [EBC] - CSK coupling spring set](http://motorize.de/cdn/shop/files/f14e3a1d82857b1e5590927e9a59c6f2.webp?v=1746901643&width=360)
![Honda NS 400 R [EBC] - CSK coupling spring set - 0](http://motorize.de/cdn/shop/files/553b22ba897f88113825211deef61272.webp?v=1746901645&width=360)
![Honda NS 400 R [NTN] - steering head bearing](http://motorize.de/cdn/shop/files/800Wx800H-1016716-1.jpg?v=1746877507&width=360)
€49,00 EUR
![Honda NS 400 R [NGK] - Iridium IX spark plug](http://motorize.de/cdn/shop/files/1078475-1-800Wx800H.jpg?v=1746877504&width=360)
€26,00 EUR
![Honda NS 400 R [BS Battery]-lithium-ion motorcycle battery](http://motorize.de/cdn/shop/files/800Wx800H-1077869-1.png?v=1746877784&width=360)
![Honda NS 400 R [BS Battery]-lithium-ion motorcycle battery - 0](http://motorize.de/cdn/shop/files/800Wx800H-1077869-2.jpg?v=1746877784&width=360)
![Honda NS 400 R [NGK] - spark plug](http://motorize.de/cdn/shop/files/1078660-1-800Wx800H.jpg?v=1746877390&width=360)
€9,00 EUR
![Honda NS 400 R [Tecnium] - motorcycle battery](http://motorize.de/cdn/shop/files/1077850-1-800Wx800H.jpg?v=1746877345&width=360)
![Honda NS 400 R [Tecnium] - motorcycle battery - 0](http://motorize.de/cdn/shop/files/1077850-2-800Wx800H.jpg?v=1746877347&width=360)
![Honda NS 400 R [Skyrich] - motorcycle battery](http://motorize.de/cdn/shop/files/1079093-1-800Wx800H.jpg?v=1746877341&width=360)
![Honda NS 400 R [Yuasa] - motorcycle battery](http://motorize.de/cdn/shop/files/1103934-1-800Wx800H.jpg?v=1746877338&width=360)
€94,00 EUR
![Honda NS 400 R [BS Battery] - motorcycle battery](http://motorize.de/cdn/shop/files/800Wx800H-1126868-1.jpg?v=1746877332&width=360)
![Honda NS 400 R [BS Battery] - motorcycle battery - 0](http://motorize.de/cdn/shop/files/800Wx800H-1126868-2.jpg?v=1746877333&width=360)
€104,00 EUR
![Honda NS 400 R [Tecnium] - maintenance -free motorcycle battery](http://motorize.de/cdn/shop/files/1105545-1-800Wx800H.png?v=1746877327&width=360)
![Honda NS 400 R [Tecnium] - maintenance -free motorcycle battery - 0](http://motorize.de/cdn/shop/files/800Wx800H-1105545-4.jpg?v=1746877329&width=360)
![Honda NS 400 R [Yuasa] - motorcycle battery](http://motorize.de/cdn/shop/files/1080866-1-800Wx800H.jpg?v=1746877321&width=360)
![Honda NS 400 R [Yuasa] - motorcycle battery - 0](http://motorize.de/cdn/shop/files/1080866-2-800Wx800H.jpg?v=1746877323&width=360)
€74,00 EUR
![Honda NS 400 R [BS Battery] - motorcycle battery](http://motorize.de/cdn/shop/files/1080663-1-800Wx800H_88b2eca4-6c07-40b5-8fc8-22cdbaf9ce4e.jpg?v=1746877315&width=360)
![Honda NS 400 R [BS Battery] - motorcycle battery - 0](http://motorize.de/cdn/shop/files/800Wx800H-1080663-2_eb2b3701-e001-4794-b7b8-f05051d2623c.jpg?v=1746877317&width=360)
Honda NS 400 R-the three-cylinder classic
The Honda NS 400 R (1985–1987) is a legend among the sporty three-cylinder motorcycles: 387 cm³, 72 hp, innovative V-3 concept and super-sports chassis components made them the dream bike of the 80s. Even today, she inspires fans with her unique sound and handling. So that your NS 400 R stays as reliable as it was then, we offer you a comprehensive overview of all important spare parts, maintenance tips, typical weaknesses and sensible upgrades.
1 | History & model characteristics
Honda introduced the NS 400 R 1985 to present a street bike in the GP-focused market that combines technology directly from racing. Their 387 cm³ V3 engine was based on the RC30 factory machines, delivered to 72 hp in performance. Built until 1987, the NS 400 R is now a sought -after youngtimer with high emotional and technical fascination.
✓ Only 3,654 copies worldwide
✓ Type RC29 chassis with double cast frame
✓ Fully adjustable Showa chassis
✓ 17 ″ tired casting of aluminum wheels
✓ Characteristic Meccanica design
✓ Racing-derived brake system
2 | Motor & drive - technical highlights
The water-cooled V-3 engine with six valves and double camshafts delivers powerful torque and peak output at 10,500 RPM. For permanent reliability, NS 400 R friends need:
✓ Cylinder head gasket
OEM 12200-MJ5,000, multi-layer steel composite
✓ Valve lid seals
12391-MJ5,000, silicone
✓ Piston kit
13011-MJ5,000, +0.25 mm & +0.50 mm
✓ Course shaft rings
91202-MB9-003, double-sided
✓ Clutch coverings
22100-MJ5,000, dry multi-disc coupling
✓ Ritzel & drive chain
DID 520 V ring chain + steel pinion
Maintenance tip: Change of engine oil (10W-40 full synthetic) & filter after 5,000 km, check valve game every 10,000 km, renew coupling slats when the power is transferred.
3 | Fuel system & carburetor
Three separate Keihin carburettor CVK 36 ensure precise mixture preparation. Essential parts:
-
✓ Carburetor-rebuild kits
Membranes, O-rings, needles, swimmers-rePro kits for CVK36 -
✓ Main/idle nozzles
Standard 118/42, adaptation of height trips +2 clicks/1,000 m -
✓ Swimmer gasket
16010-MJ5,000, secures clean swimmer chamber -
✓ Inline fuel filter
10 µm, protects against contamination -
✓ Fuel ventilation valve
16950-MJ5,000, prevents the suction cable effect
Optimization: Synchronizing with a hand vacuum device, co-measurement at idle for gentle gas response.
4 | Frame & chassis - race track precision
The Deltabox-Alu frame and the fully adjustable Showa fork (41 mm) with 110 mm travel and the strut (125 mm) result in agile handling:
✓ Fork service kit
Simmer rings & sealing lips for showa
✓ Fork oil
Motorex Fork Oil 5 W/560 ml per Holm
✓ Spring kit
Seals, piston parts for rear wheel suspension
✓ Steering head
SKF cone rolls for precise straight line
Maintenance intervals: Fork oil every 12,000 km, string service every 15,000 km.
5 | Brake system & bikes-Supersport brakepower
Front wheel: Double slice 298 mm with Tokico 4-piston tread, rear wheel: 220 mm disc. Maintenance & wear parts:
-
✓ Brake discs
OEM, optional wave discs for better cooling -
✓ Brake pads
Sintered metallic performance pads -
✓ Steel flex lines
Hel Performance, ABE-tested -
✓ Brake caliper
Poll seals & guide sockets
Nursing instructions: Change the brake fluid dot 4 annually, exchange lines every two years.
6 | Electrics & instruments - analogous to digital
The NS 400 R has simple electrics with mechanical ignition and 12 V generators:
✓ Spark plugs
NGK DPR8EA-9 for powerful ignition sparks
✓ Generator/stator
OEM detachments or 80 watt upgrade possible
✓ Ruler/rectifier
Modern MOSFET controller for stable tension and long service life
✓ Cable harness repair kit
Weatherproof crimp connector & shrink hose for repair
Maintenance tip: Treat the plug-in connections regularly with contact spray, measure battery voltage (12.6 V in rest, 14.2 V with running engine), check the fuses and replace them for cracks or oxidation.
7 | Body & cladding - received classic lines
The sporting cladding of the NS 400 R contributes to the iconic look. Spare parts for restoration and care:
✓ Disguise replicas
Suitable replicas in original painting (red/white/blue)
✓ Slices
Clear & tinted versions made of breakproof acrylic
✓ Seat covers
Handy synthetic leather reproductions or original patterns
✓ Take frame & turn signal holder
Powder -coated or raw for your own painting
Care tip: Treat the cladding parts regularly with plastic nurse, secure screws with copper paste against corrosion.
8 | Maintenance plan & service intervals
| service | interval | Spare parts/liquids |
|---|---|---|
| Motor oil & filter | every 5,000 km | 10W-40 + 15410-MJ5-003 |
| Check spark plugs | every 6,000 km | NGK DPR8EA-9 |
| Change fork oil | every 12,000 km | 5W fork oil + simmer rings |
| Synchronize carburetor | every 10,000 km | Vacuum |
| Change brake fluid | yearly | Dot 4 |
| Refrigeration | every 2 years | Glycol base with corrosion protection |
9 | Vulnerings & permanent problems - you should know that
✓ Carburetor overflow
Renew the swimming needle & chamber seal regularly
✓ Resty cooler hoses
Silicone replacement kits recommended
✓ Corrosion to exhaust
Work with heat protection paint & copper paste
✓ Stotor failures
Exchange through reinforced replica
✓ Frame lacquer at the factory sensitive
Preserve with powder coating or 2K varnish
10 | Performance & tuning - modern driving pleasure
-
✓ Increase in performance through exhaust system
Light stainless steel or titanium endoral silencer for better pulling -
✓ Oil cooler
Thermal relief in summer temperatures -
✓ Progressive fork springs
For better feedback & stability -
✓ Keeper fiddling with adjustable angle
Sporty or tourable depending on the request -
✓ LED lighting
Modern light output with classic optics
11 | Restoration & receipt - tips for collectors
The Honda NS400R is a popular classic-but the faithful restoration requires patience & know-how. We recommend:
✓ Use OEM numbers - secure tailored parts
✓ Let the cladding paint - Lines & colors that are faithful to the original
✓ Swap for the fork & damper synchronously - improve driving behavior
✓ Expose the tank & seal - against rust & petrol remains
12 | Conclusion - an NS400R deserves the best spare parts
Anyone who drives a Honda NS 400 R not only has a motorcycle, but a piece of motorcycle history. This extraordinary three-cylinder concept with a sporty coordination and GP genes is less common today than ever. With the right spare parts, a clean maintenance routine and high -quality components, you secure driving pleasure for many years. In our shop you will find both original and high-quality replica spare parts, from ignition to cladding-precisely for your NS400R.
Discover our range of spare parts and bring your NS400R in top form. And if you dare to look outside the box, it is also worth taking a look at a sporty two -stroke like that Aprilia RS 250.