# NSR-WORLD.COM

> The home of a truly global NSR community | NSR250R Tuning | NSR250R Maintenance | NSR250R History | NSR250 & NSR500 HRC History | MC16 MC18 MC21 MC28 Specs

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## Sitemaps

- [XML Sitemap](https://nsr-world.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [NSR Articles](https://nsr-world.com/articles/): The home of a truly global NSR community | NSR250R Tuning | NSR250R Maintenance | NSR250R History | NSR250 & NSR500 HRC History | MC16 MC18 MC21 MC28 Specs
- [Honda NSR250R Top Speed: How Fast Does an NSR250R Really Go?](https://nsr-world.com/honda-nsr250r-top-speed/): Honda NSR250R Top Speed:How Fast Does an NSR250R Really Go? The definitive guide to the 1987–1996 Honda NSR250R's restricted, derestricted, and tuned top speed. Context - Before the NSR In the early ’80s, Honda produced two 250cc two-strokes: the MVX250F (MC09) and the NS250F/R (MC11). Both were primarily JDM models, with very little exposure in
- [Honda NSR250R Market Report (2026)](https://nsr-world.com/honda-nsr250r-market-report-2026/): Honda NSR250R Market Report (2026) Worldwide Values for Every GenerationUpdated July 2026The Honda NSR250R has firmly established itself as one of the most collectible Japanese sports motorcycles ever built. Originally sold only in Japan, the model is now highly sought after across Europe, North America, Australia and Southeast Asia, with exceptional examples frequently crossing international

## Pages

- [Home](https://nsr-world.com/): The home of a truly global NSR community | NSR250R Tuning | NSR250R Maintenance | NSR250R History | NSR250 & NSR500 HRC History | MC16 MC18 MC21 MC28 Specs
- [NSR250R MC16, MC18, MC21, MC28 specs (DUPLICATE)](https://nsr-world.com/nsr250r-mc16-mc18-mc21-mc28-specs-duplicate/): Honda NSR250R Specifications —MC16, MC18, MC21, MC28 MC16 MC18 R2J MC18 R4J MC18 R5K MC18 R6K MC21 MC28 [table id=2 /] [table id=3 /] [table id=4 /] [table id=5 /] [table id=6 /] [table id=7 /] [table id=8 /] How to Decode Your NSR250RModel & Frame Number »
- [NSR250R MC16, MC18, MC21, MC28 specs](https://nsr-world.com/nsr250r-specifications/): Honda NSR250R Specifications for all models. MC16, MC18 R2/4J, MC18 R5/6K, MC21, and MC28.
- [1984 HRC RS250RW & NSR500](https://nsr-world.com/1984-rs250rw-nsr500/): In late 1984, Honda's RS250RW works prototype was covertly developed in Japan's domestic series, and was the forerunner of Spencer's 1985 title-winning machine.
- [1986 HRC NSR250 & NSR500](https://nsr-world.com/1986-nsr250-nsr500/): 1986 was a groundbreaking year for HRC & the official birth of the NSR250. HRC also created the SWS division, and established the first factory satellite teams.
- [1987 HRC NSR250 & NSR500](https://nsr-world.com/1987-nsr250-nsr500/): The 1987 NSR250 NV1C dominated WGP250 and won the All Japan series, securing the top 5 places in the World Championship, and top 2 steps in All Japan.
- [1988 HRC NSR250 & NSR500](https://nsr-world.com/1988-nsr250-nsr500/): In 1988, Sito Pons won his first world title on the Campsa-Honda NSR250, becoming Spain's first 250cc world champion and the second rider to win on an NSR250.
- [1985 RS250RW/NSR500](https://nsr-world.com/1985-rs250rw-nsr500/): 1985 was an historic year for HRC & Freddie Spencer. In sensational style, never to be repeated, Spencer took both the 250cc & 500cc titles in the same season.
- [HRC NSR250 & NSR500 History](https://nsr-world.com/hrc-nsrs/): Conceived as a "complete replica" of Freddie Spencer's 1985 championship winning RS250RW, the NSR250R [MC16] project began in early 1986.
- [HRC NSR250R Service & Setup Manuals](https://nsr-world.com/nsr250r-tuning/hrc-manuals/): HRC Manuals are the definitive resource for the Honda NSR250R. These manuals cover base settings for all models, from MC16 to MC28.
- [NSR250R Suspension Tuning](https://nsr-world.com/nsr250r-tuning/nsr250r-suspension-tuning/): All NSR250R suspension can be improved; some more easily than others. Fitting components from a later or higher-spec model is often the path of least resistance
- [NSR250R Ignition Tuning](https://nsr-world.com/nsr250r-tuning/nsr250r-ignition-tuning/): All NSR250Rs leave the factory with only a stifled 40-45hp. However, it was always destined by it's designers to be so much more!
- [NSR250R Exhaust Tuning](https://nsr-world.com/nsr250r-tuning/nsr250r-exhaust-tuning/): The exhaust system is usually the first major item on any owners shopping list. Purely on aesthetics alone, shiny new expansion chambers rank as the #1 upgrade!
- [NSR250R Engine Tuning](https://nsr-world.com/nsr250r-tuning/nsr250r-engine-tuning/): With GP heritage, the NSR250R motor is highly capable out-of-the-box; its MC16E crankcases are direct descendants of the 1985 championship-winning RS250RW.
- [NSR250R Brake Tuning](https://nsr-world.com/nsr250r-tuning/nsr250r-brake-tuning/): Brake lines, master cylinders, & caliper upgrades suitable for each NSR250R. From aftermarket alternatives, to plug'n'play Honda retrofits.
- [Honda Paint Codes | Categorised by colour](https://nsr-world.com/nsr250r-workshop/honda-paint-codes/): Official Honda motorcycle paint colour codes categorised into main colour groups. Sorted by Honda code and colour name for convenience.
- [NSR250R Tuning | Carbs & Jetting](https://nsr-world.com/nsr250r-tuning/nsr250r-carb-tuning/): MC16's, MC18's and MC21's come fitted with Keihin TA series carburettors, and the MC28's use the TB variant. Although perfect for the stock application, once the NSR is tuned, upgrading of the carburettor internals is essential not only for performance, but for reliability too! HRC Jet Kit An HRC jet kit, or equivalent, is necessary
- [NSR250R Stock Jetting](https://nsr-world.com/nsr250r-workshop/nsr250r-stock-jetting/): Official Honda stock settings for factory restricted bikes. For HRC base settings, see our NSR250R Tuning section.
- [Home [BACKUP]](https://nsr-world.com/home-2/): World's largest NSR250R community since 1995. 4,500+ members, 100,000+ posts. Join for NSR250R tuning, maintenance, specifications & HRC NSR250 & NSR500 history
- [NSR250R RC Valve Setting](https://nsr-world.com/nsr250r-workshop/nsr250r-rc-valve-setting/): RC Valve is Honda's exhaust powervalve technology, and the key to the NSR250R's near legendary flexibility. Setting of the RC Valve is absolutely crucial to peak performance of the NSR250R, and a valve too far open can be as disruptive as one not open enough! RC Valve adjustment Follow these simple steps to adjust the
- [NSR250R History [84-86 NS250R MC11]](https://nsr-world.com/nsr250r-history-mc11/): Honda were quick to capitalise on the success of Freddie Spencer and the NS500 in the '83 World Grand Prix championship, and released the all-new NS250R MC11 in May 1984. The NS250R was a dramatic departure from the MVX250F MC09, with true race-replica styling and race-bred design cues. 1984 NS250R [MC11] Despite selling almost 20,000
- [1992 NSR250/NSR500](https://nsr-world.com/1992-nsr250-nsr500/): Luca Cadalora would retain his world championship crown on the all-new NSR250 NV2B in 1992 in convincing style, but the season's headlines were domintated by the 500 class. 1992 finally saw the divergence of the NSR250 GP & NSR250R production bikes, although the RS250R NF5 would run MC16E crankcases for one last season. 1992 NSR500
- [1991 NSR250/NSR500](https://nsr-world.com/1991-nsr250-nsr500/): In 1991 the FIM increased the minimum weight for the 500 class to 130kg. The basic layout of the NSR500 remained largely unchanged, however fine fettling did see a marginal increase in power from the NV0Ks 112° V4 motor. 1991 NSR500 [NV0K] Mick Doohan was the only Honda rider to take the top step of
- [1990 NSR250/NSR500](https://nsr-world.com/1990-nsr250-nsr500/): In 1990 the NSR500 retained the NV0H designation, but there was little to tie it to the previous incarnation. After just one season with Honda, Eddie Lawson returned to Yamaha, leaving the Works HRC door open for a rising star.... 1990 NSR500 [NV0H] In a concerted effort to get the bike down the the FIM
- [1989 NSR250/NSR500](https://nsr-world.com/1989-nsr250-nsr500/): In a last-minute shock move off-season, Eddie Lawson took the reigns of the NSR500 in 1989! Background image© Shigeo Kibiki 1989 NSR500 [NV0H] Eddie Lawson won his fourth world title in 1989, and in doing so was the first rider to take back-to-back championships on two different marques. There was some animosity in the HRC
- [NSR250R MC16, MC18, MC21, MC28 Tuning](https://nsr-world.com/nsr250r-tuning/): Although restricted to 45hp* by Japanese licensing laws, every model of NSR250R responds well to tuning. Each model can be tuned with a varying degree of both difficulty and success. *NSR250R MC28 is restricted to 40hp. The NSR250R was only ever officially destined for the Japanese domestic market (JDM), and therefore subject to strict power
- [NSR250R Style](https://nsr-world.com/nsr250r-style/): Often styled after World Grand Prix and All-Japan 250 team colours, the NSR250R came in numerous eye-catching and often famous replica liveries. The following guide shows all liveries by year and model, for quick and easy identification. 1987 NSR250R MC16 1988 NSR250R MC18-I [R2/4J-SP] 1989 NSR250R MC18-II [R5K/R6K-SP] '90~'93 NSR250R MC21 1990 1991 1992 1993
- [NSR250R Workshop](https://nsr-world.com/nsr250r-workshop/): NSR250R Workshop & Maintenance Guide We aim to make NSR-WORLD.COM the first and last technical resource you will ever need. From Honda approved English Service Manuals, to overhaul guides, and our Discussion forums, we think you will find everything you'll ever need here! Please contact us if you’re looking for a particular resource, or would
- [NSR250R History [94-96 MC28]](https://nsr-world.com/nsr250r-history-mc28/): The 1994 NSR250R MC28 R and SE models were announced on November 10th 1993, with the SP version coming just a month later on December 10th. Infamous for its single-sided Pro-Arm swingarm and "smart card" ignition , the MC28 was the final version of the NSR250R. Concept The MC28 was conceptualised as a showpiece of
- [NSR250R History [90-93 MC21]](https://nsr-world.com/nsr250r-history-mc21/): The all-new NSR250R MC21 was released on 13th of February 1990, and took the marque to the next level! Styled after the works NSR250 NV1G racer, updates and upgrades could be seen across the entire machine, and even included technology yet to find its way onto the GP bikes. 1990 NSR250R [MC21] Starting with the
- [NSR250R History [1989 MC18-2]](https://nsr-world.com/nsr250r-history-mc18-2/): Released of the 10th of February 1989, the third generation of NSR250R was an evolution model of the 1988 MC18 R2/4J. In keeping with its older sibling the 1989 model is often referred to by its internal code "MC18 PGM-2". 1989 NSR250R [MC18-II] Click to enlarge A number of improvements came with the introduction of
- [NSR250R History [1988 MC18-1]](https://nsr-world.com/nsr250r-history-mc18-1/): On November 20th 1987 the MC18 was unveiled. Officially on sale from January 19th 1988, it was completely revised from the previous MC16 model, sharing no common parts. It's official designation was NSR250R-2J, but is commonly referred to, particularly in Japan, as the MC18 PGM-1. 1988 NSR250R [MC18-I] Mirroring the rapid development in Grand Prix,
- [NSR250R History [1987 MC16]](https://nsr-world.com/nsr250r-history-mc16/): On the 1st of October 1986, the NSR250R MC16 was launched at the Tokyo Motor show. Conceived as a "complete replica" of Freddie Spencer's 1985 championship winning RS250RW NV1A, the MC16 was arguably the greatest Sports Production "race replica" 250. Although released in 1986, the MC16 is officially a 1987 model, but can often be
- [NSR250R History [1983 MVX250F MC09]](https://nsr-world.com/nsr250r-history-mc09/): While conceived as an "exact replica" of Freddie Spencer's 1985 championship winning RS250RW NV1A, the NSR250R story began way back in 1983 with the MVX250F MC09. Initially designed as a 400cc machine, Honda instead decided to try and break into the larger and more lucrative 250cc market. 1983 MVX250F [MC09] After a number of years
- [NSR250R Frame & Engine Numbers](https://nsr-world.com/nsr250r-workshop/nsr250r-frame-and-engine-numbers/): NSR250R Frame & Engine References NSR250RFrame & Engine References Note: When purchasing parts, we always recommend that you contact an authorised Honda reseller, so that you receive only genuine products. These tables are reproduced from our NSR250R English Parts Lists with the kind permission of Honda Motor Company, for use on NSR-WORLD.COM and nsr250.net only.
- [Haynes Conversion Tables](https://nsr-world.com/nsr250r-workshop/conversion-tables/): Conversion Tables by Haynes Length (distance)Inches (in)x25.4= Millimetres (mm)x0.0394= Inches (in)Feet (ft)x0.305= Metres (m)x3.281= Feet (ft)Milesx1.609= Kilometres (km)x0.621= MilesVolume (capacity) Cubic inches (cu in; in³)x16.387= Cubic centimetres (cc; cm²)x0.061= Cubic inches (cu in; in³)Imperial pints (Imp pt)x0.568= Litres (l)x1.760= Imperial pints (Imp pt)Imperial quarts (Imp qt)x1.137= Litres (l)x0.88= Imperial quarts (Imp qt)Imperial quarts (Imp qt)x1.201=
- [NSR250R Spark Plug Specifications](https://nsr-world.com/nsr250r-workshop/spark-plugs/): NSR250R Spark plugs From 1988, the specification for the NSR250R changed to a newer "short" resistor-type spark plug, for improved front wheel clearance due to the revised chassis geometry. For the MC16 model, use NGK B9ECS or B9ES spark plugs.[Recommended alternative: ND W27ES-C]For MC18 onwards, use NGK BR9ECM. [Recommended alternative: ND W27EMR-C]Gap [all types]: 0.7~0.8mm
- [1993 NSR250/NSR500](https://nsr-world.com/1993-nsr250-nsr500/): 1993 was the beginning of a new era for as far as the NSR250's connection with the NSR250R production bikes. 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 NSR500 [NV0R] 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 NV0R NV0R NV0R
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## Categories

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