Ryuichi Kiyonari

In 2013 Kiyonari once again returned to the BSB, racing with his old team Samsung Honda. He finished 6th overall.

In December 2013, his management agency, Speed of Japan announced that Kiyonari would be racing with Buildbase BMW in the BSB in 2014. This news shocked many fans and others in racing as some thought that Kiyonari would never move away from Honda. Kiyonari's move to BMW was his first ever race with a manufacturer other than Honda, followed in 2016 by a switch to Suzuki.

For the 2012 season, Kiyonari headed to Asia, spearheading Malaysian team Boon Siew Honda Malaysia Racing as they aspire to lift the FIM Asian SuperSports 600cc trophy. He went on to win the 2012 Asia Road Racing Championship title.

2011 saw Kiyonari stay with HM Plant Honda in the British Superbike Championship, alongside two time BSB Champion Shane Byrne. He finished 6th overall.

For 2009, Kiyo stayed with the Ten Kate Honda team, partnering Carlos Checa and Jonathan Rea. His bike was backed by Honda Europe rather than Hannspree. After a somewhat unsuccessful season, he finished 11th in the championship standings.

In September 2009, Kiyonari returned to British Superbikes to make a wildcard appearance at Croft Circuit, replacing the injured Glen Richards. He finished fourth in race one before finishing race two in 18th position.

In December 2009, he was confirmed as one of HM Plant Honda's riders for the 2010 British Superbike Championship season, partnering Australian rider Josh Brookes. At Cadwell Park he won race one but retired from race two before it began, due to a technical problem on the warm-up lap. He scored a double win at Mallory Park, lifting him to fourth overall in the standings.

In 2008 Ryuichi Kiyonari made his Superbike World Championship debut, having reached an agreement with the reigning champion team Ten Kate Honda, to partner Carlos Checa and Kenan Sofuoğlu.

The 2007 season started at Brands Hatch, a track Kiyo admits he does not like, and his results there were unspectacular, with Jonathan Rea and Leon Camier performing better on their Hondas. However, he took a double win in round three, and a further win in race 2 at Oulton Park, to lie second to Lavilla after four rounds. Finally defended his British champion status at Brands Hatch to win the championship for the second time in succession.

In 2006 Ducati again had the upper hand early in the season, with Kiyonari closest to their riders, Lavilla and Leon Haslam. A double victory at Silverstone in the penultimate round kept him in close contention for the title. However, in the double point final round at Brands Hatch, after a win in race one (he was leading when Shane Byrne's heavy crash caused a stoppage - much to Haslam's visible frustration), Kiyonari only needed to finish third in the final race. Kiyonari finished 2nd in the shortened race behind Haslam, thus winning the championship by 8 points.

After coming 6th overall in the British Superbike Championship in 2004, 'Kiyo' won the first four races of 2005, before injuring his ankle in a heavy crash in round 5. He was back for round 9, and retook the championship lead from teammate Michael Rutter, but eventually was overhauled by the improving Ducati of Lavilla and he finished the season runner up. He also raced in the Valencia Grand Prix for Sito Pons' Camel Honda team, finishing in the points.

He moved to MotoGP in early 2003 to replace the late Daijiro Kato in Fausto Gresini's Telefónica Movistar team. However, he received little support within the team, especially as teammate Sete Gibernau challenged for the title, and failed to score much in the way of results. There were eight minor points finishes, leaving him 20th overall with a best of 11th.

1998- 26th, All Japan Road Race GP125 Championship #90 Honda RS125R 1999- 23rd, All Japan Road Race GP125 Championship #26 Honda RS125R 2000- 20th, All Japan Road Race GP250 Championship #111 Honda RS250R 2001- 16th, All Japan Road Race GP250 Championship #100 Honda RS250R 2002- 1st, All Japan Road Race ST600 Championship #54 Honda CBR600RR 2003- 20th, MotoGP #23 Honda RC211V 2004- 6th, British Superbike Championship #23 Honda CBR1000RR 2005- 2nd, British Superbike Championship #6 Honda CBR1000RR 2006- 1st, British Superbike Championship #2 Honda CBR1000RR 2007- 1st, British Superbike Championship #1 Honda CBR1000RR 2008- 9th, Superbike World Championship #23 Honda CBR1000RR 2009- 11th, Superbike World Championship #9 Honda CBR1000RR 2010- 1st, British Superbike Championship #8 Honda CBR1000RR 2011- 6th, British Superbike Championship #1 Honda CBR1000RR 2012- 1st, Asia Road Race SS600 Championship #23 Honda CBR600RR 2013- 6th, British Superbike Championship #23 Honda CBR1000RR 2014- 2nd, British Superbike Championship #23 BMW S1000RR 2015- 20th, British Superbike Championship #23 BMW S1000RR 2016- 20th, British Superbike Championship #23 Suzuki GSX-R1000/BMW S1000RR 2017- 11th, All Japan Road Race JSB1000 Championship #88 Honda CBR1000RR 2018- All Japan Road Race JSB1000 Championship #23 Honda CBR1000RR

Kiyonari first raced in 1988 in motocross, which he later stated that he did not especially enjoy. He began circuit racing in 1996, and first raced in the All-Japan 125cc Championship in 1998. He continued in this class until 1999 and spent the 2000 and 2001 season in the All-Japan 250cc Championship, with a shortage of big results, other than 9th place in the 2000 Suzuka 8 Hours race. However, for 2002 he switched to the All-Japan ST600 championship, which he won with four victories. He also took an All-Japan Superbike Championship victory at TI Aida.

Ryuichi Kiyonari (清成龍一 ) (born September 23, 1982, in Saitama, Japan) is a professional motorcycle road racer. For 2019 he is competing in World Superbikes with a new team formed by Honda Racing Corporation and Moriwaki Engineering, using the 2019 Honda Fireblade and teammate Leon Camier.