В
1975 году
Suzuki
впервые представила свои успешные модели RM для мотокросса.
Наиболее крупная из них RM500, была введена в 1983 году, которая
имела черную раму, черные гофры вилки, черные сиденья и немного
другой топливный бак с знаками, отличными от
модели
1984 года.
'83 RM500 отличается от 82 RM465 в основном увеличенным размером
двигателя. Во всем остальном, кроме незначительных косметических
изменений, мотоциклы были очень похожи.
В то время это был крупнейший motocrosser от Suzuki, до этого
самый большой
был RM465. Полностью плавающая задняя подвеска, которая была
впервые использована в командных гонках по мотокроссу, пошла в
серию RM в 1981 году.
Код рамы: RM11A
RM
500 1983
Overall Length: 2,175 mm (85.6 in)
Overall Width: 845 mm (33.3 in)
Overall Height: 1,265 mm (49.8 in)
Seat Height: 965 mm (38.0 in)
Wheelbase: 1,475 mm (58.1 in)
Ground Clearance: 370 mm (14.6 in)
Dry Weight: 103 kg (229 lbs)
Engine type: Air-cooled 492 cc cc single cylinder 2-stroke, Full
Reed.
The 1983
RM-500 is a competition motorcycle and is sold on an "as is" basis
and has no express or implied warranty.
1984 Suzuki model year code:
E
По данным шведского журнала
двигатель
RM500 в 1984 году получил новый цилиндр и новую выхлопную
систему
(алюминиевый глушитель 84)
для обеспечения большей мощности на низких и средних частотах.
Была улучшена подвеска "Full Floater".
Frame code: RM11A
RM
500 1984
Overall Length: 2,175 mm (85.6 in)
Overall Width: 845 mm (33.3 in)
Overall Height: 1,250 mm (49.2 in)
Seat Height: 960 mm (37.8 in)
Wheelbase: 1,470 mm (57.9 in)
Ground Clearance: 365 mm (14.4 in)
Dry Weight: 103 kg (227 lbs)
Engine type: Air-cooled 492 cc single cylinder 2-stroke, Full
Reed.
The
1984 RM-500 is a competition motorcycle and is sold on an "as is"
basis and has no express or implied warranty.
1985 Suzuki year code: F
'85 RM500 модель, которая не предлагается в США. Основные
отличия от модели 84:
- была
улучшены подвеска (большой выбор регулировок для настройки);
- добавлены передние дисковые тормоза.
Косметически, двигатель серебряного цвета и золотого обода
отличают его от кросса '83 и '84 моделей.
RM
500 1985
Overall Length: 2,175 mm (85.6 in)
Overall Width: 860 mm (33.9 in)
Overall Height: 1,270 mm (50.0 in)
Seat Height: 960 mm (37.8 in)
Wheelbase: 1,470 mm (57.9 in)
Ground Clearance: 365 mm (14.4 in)
Dry Weight: 102 kg (225 lbs)
Engine type: Air-cooled 492 cc single cylinder 2-stroke, Full
Reed.
1985 RM500 sales brochure from Australia
(two pages). Click to enlarge. These
brochure scans were sent to me by Steve Woods, Australia. Printed in
Japan in September 1984.
Suzuki
introduced its succesfull RM series of motocross models in 1975.
The largest of them all, RM500, was introduced in 1983, even
larger thanthe 1981—1982 RM465 and its precessor, the 1978—1980
RM400.
At the time it was the largest motocrosser from Suzuki (when
RM400 was introduced in 1980 it was the largest). The
Full-Floater rear suspension was first used by the works road
racing and motocross teams. It went into the RM series in 1981.
Initial frame number: JS1RM11A_B_100001
RM
465 1981
Overall Length: 2,160 mm (85.0 in)
Overall Width: 880 mm (34.6 in)
Overall Height: 1,290 mm (50.8 in)
Seat Height:
Wheelbase: 1,460 mm (57.5 in)
Ground Clearance: 370 mm (14.6 in)
Dry Weight: 102 kg (225 lbs)
Engine type: Air-cooled 464 cc cc single cylinder 2-stroke, Full
Reed. 51 hp (38.0 kW)/ 7,000 rpm, 57 Nm (5.80 kg-m, 42.0 lb-ft)/
6,000 rpm.
1981 RM-250 and RM-465 advertisement.
Click to enlarge.
1981 RM465
sales brochure. Click to enlarge.
This is the flip side of the two-page brochure. The front page is
still missing. Sent to me by Jørgen Kruse, Denmark. Printed in Japan.
1982 Suzuki year code: Z
The
1982-year's RM465D was practically the same bike as the
1981-year's RN465X. In fact, even t he '83 RM500 differed from
the '82 RM465 mainly from the increase in engine bore size.
Other than minor cosmetic changes, the bikes were very similar.
Initial frame number: JS1RM11A_C_100001
RM
465 1982
Overall Length: 2,160 mm (85.0 in)
Overall Width: 845 mm (33.3 in)
Overall Height: 1,250 mm (49.2 in)
Seat Height:
Wheelbase: 1,460 mm (57.5 in)
Ground Clearance: 370 mm (14.6 in)
Dry Weight: 102 kg (225 lbs)
Engine type: Air-cooled 464 cc cc single cylinder 2-stroke, Full
Reed. 51 hp (38.0 kW)/ 7,000 rpm, 57 Nm (5.80 kg-m, 42.0 lb-ft)/
6,000 rpm.
1982
RM465 sales brochure. Click to enlarge.
This is the flip side of the two-page brochure.
The front page is still missing. Sent to me by Jørgen Kruse,
Denmark. Printed in Japan.
Suzuki RM400C
Основная информация
Модель
RM 400 C
Год
1978
Тип:
Мотокросс
Двигатель и привод
Рабочий объем (см 3):
402
Тип:
Одно цилиндровый
Тактов:
2
Мощность:
43.00 л.с. (31.4 кВт)) @ 6500 об./мин.
Компрессия:
6.7:1
Диаметр х Ход поршня:
80.0 x 80.0 мм (3.1 x 3.1 дюймов)
Крутящий момент:
4.84 Нм (0.5 kgf-m / 3.6 ft.lbs) @
6000 об./мин.
Топливная система:
Carburettor. Mikuni VM36SS
Запуск двигателя:
Кикстартер
Зажигание:
Suzuki PEI
Охлаждение:
Воздушное
Коробка передач:
5 скоростей
Привод:
Цепь
Сцепление:
Wet Multiplate Type
Скорость и ускорение
Макс. скорость:
148.0 (92.0 mph)
Мощность/Вес:
0.4095 л.с./кг
Ходовая
Колесная база:
1450 мм
Рама:
High Tension Steel Pipe Single
Downtube Semi Double Cradle
Передний амортизатор:
Telescopic coil spring air oil
infinately adjustable damping
Ход спереди:
249 мм
Задний амортизатор:
Suzuki Tru-Trac Twin shocks gas/oil
damping aluminium swinging arm
Ход сзади:
244 мм
Цвета:
Yellow
Размеры
Вес:
105 кг
Высота:
1225 мм
Длина:
2140 мм
Ширина:
885 мм
Дорожный просвет:
290 мм
Прочее
Вместимость бензобака:
8.5 л.
Передний тормоз:
Барабанный
Задний тормоз:
Expanding brake (drum brake). full
floating rear brake design
The largest Suzuki motorcrosser of the seventies. Still air-cooled
with conventional, but laid down twin shocks at the rear.
The U.S. sales brochure from '78 says this: ”Even if somebody could
build an engine as good as the RM-400 Power Reed, they still
couldn't beat Suzuki's air forks, aluminum works type box section
arm, and laid dow, forward mounted gas-oil shocks (with reservoir)
for total performance. Conical hub in front—full floating brake and
magnesium hub panel in the rear.”
The first pictures below is a detail from the sales brochure I found
on the vintage-suzuki.com website.
RM
400 1978
Overall Length: 2 140 mm (84.3 in)
Overall Width: 885 mm (34.8 in)
Overall Height: 1 225 mm (48.2 in)
Seat Height:
Ground Clearance: 290 mm (11.4 in)
Wheelbase: 1 450 mm (57.1 in)
Dry Weight: 105 kg (231 lbs)
Engine type: Air-cooled 402 cc single-cylinder 2-stroke,
piston and reed valve. 43 hp (32 kW)/ 6,500 rpm, 47 Nm 4,84
kg-m)/ 6,000 rpm.
RM
400 1978
Overall Length: 2 140 mm (84.3 in)
Overall Width: 885 mm (34.8 in)
Overall Height: 1 225 mm (48.2 in)
Seat Height:
Wheelbase: 1 450 mm (57.1 in)
Ground Clearance: 290 mm (11.4 in)
Dry Weight: 105 kg (231 lbs)
Engine type: Air-cooled 402 cc single-cylinder 2-stroke,
piston and reed valve. 43 hp (32 kW)/ 6,500 rpm, 47 Nm 4,84
kg-m)/ 6,000 rpm.
Modernized appearance and larger engine. The U.S. sales brochure
from '79 tells this about the model: ”Power Reed engine; CDI
ignition; improved clutch release mechanis; 5-speed trans;leading
axle rear forks; forward mounted, gas-oil remote reservoir shocks,
2-way damping adjustment, 3-way spring load settings (11.8" rear
wheel travel); full floating rear brake; magnesium brake panels/engine
side covers; heavy duty chain tensioner and chain guide; extra-rigid,
extruded aluminum swing arm; self-cleaning aluminum alloy rims;
plastic fuel tank; slim-styled at 223 lbs.”
The picture below is a detail from the sales brochure I found on the
vintage-suzuki.com website. The next two pictures show a restored
'79 RM400N. “This was restored with mostly NOS parts including tank,
seat, all plastic, forks etc,” says Chris, the owner.
RM
400 1979
Overall Length: 2,145 mm (84.4 in)
Overall Width: 880 mm (34.6 in)
Overall Height: 1,235 mm (48.6 in)
Seat Height:
Ground Clearance: 350 mm (13.8 in)
Wheelbase: 1,445 mm (56.9 in)
Dry Weight: 101 kg (223 lbs)
Engine type: Air-cooled 417 cc single-cylinder 2-stroke, Reed valve.
RM
400 1979
Overall Length: 2,145 mm (84.4 in)
Overall Width: 880 mm (34.6 in)
Overall Height: 1,235 mm (48.6 in)
Seat Height:
Ground Clearance: 350 mm (13.8 in)
Wheelbase: 1,445 mm (56.9 in)
Dry Weight: 101 kg (223 lbs)
Engine type: Air-cooled 417 cc single-cylinder 2-stroke, Reed valve.
RM
400 1979
Overall Length: 2,145 mm (84.4 in)
Overall Width: 880 mm (34.6 in)
Overall Height: 1,235 mm (48.6 in)
Seat Height:
Ground Clearance: 350 mm (13.8 in)
Wheelbase: 1,445 mm (56.9 in)
Dry Weight: 101 kg (223 lbs)
Engine type: Air-cooled 417 cc single-cylinder 2-stroke, Reed valve.
New graphics but basically the same machine as the '79 RM400N. Wider
5.10-18 rear wheel, more ground clearance, a little heavier. You
will find more specs on the RM400 magazine articles page (Dirt Bike
article, May 1980).
The pictures of the Massimo Pipino's RM400T are taken recently and
the bike is not 100% original but quite close.
RM
400 1980
Overall Length: 2,145 mm (84.4 in)
Overall Width: 880 mm (34.6 in)
Overall Height: 1,235 mm (48.6 in)
Seat Height: 990 mm (39.0 in)
Ground Clearance: 365 mm (14.4 in)
Wheelbase: 1,445 mm (56.9 in)
Dry Weight: 103 kg (227 lbs)
Engine type: Air-cooled 417 cc single-cylinder 2-stroke, Reed valve.
RM 400 1980
Owner: Massimo Pipino,
Torino, Italy
Comments: ”This is the bike I used to ride in vintage MX
championship. It's a Suzuki RM400. It was built in 1979 and I bought
it two years ago.
It is in its original shape. The only thing I replaced is the
handlebar, because i prefer the shape of Renthal.
The bike is very easy to ride, powerful but not brutal like, for
example, the later KTM 495/'91. It's not too heavy and you can ride
it like it was a 250cc.
Great bike!”
Suzuki RM370 1976
1976 Suzuki RM370 year
code: A
Suzuki RM370
Производитель Suzuki
Производство 76-77
Двигатель 370
Свечи зажигания B9EV '76-77
Передняя покрышка 3.00-21 '76-77
Задняя покрышка 4.60-18 '76-77
FRAME #: RM370-10002
ENGINE #: RM370-10002
ENGINE TYPE: 372cc Two-stroke
MODEL CODE: 412
COLOR: Aspen Yellow
Leading axle fork
Black Suzuki decal
White RM370 on seat
Piston
Specifications
The engine used a two-stroke, single-cylinder design. The bore by stroke of
the single piston measured 3.03 inches by 3.14 inches. The piston had a
7.6-to-1 compression ratio. The piston design featured a piston port and
reed valve operating system, which was a common design for dirt bikes and
other ATVs. The piston and reed valve system was attached to the crankcase.
The gasoline intake system sported a dual-inlet design. Other piston
features included four scavenging pots, which provided the engine with
above-par scavenging and airflow capability. To further improve combustion
and efficiency, the cylinder used a squashed-dome design shape.
Engine Specifications
The 1976 Suzuki RM370 engine had a piston displacement of 372 cc. Maximum
power output measured 42 horsepower at 7,000 rpm, while the peak torque
potential measured 33.7 foot-lbs. at 6,000 rpm. The standard clutch used a
wet, multi-plate with aluminum and fiber-discs design. The air filtration
system featured an enhanced oiled polyurethane foam air-filter. The ignition
used Suzuki PEI Pointless Electronic ignition technology, and the starter
featured a non-primary kickstart.
Fuel and Carburetor Specifications
The engine also sported a Mikuni VM36SS carburetor fuel system. The
carburetor's main jet specification was set at 300. The needle jet was R2,
and the needle was a 6FJ6-3. The slide cut was set at 1.5, and the pilot was
No. 50. The factory position of the air-adjusting screw was 1.5 turns open.
The float level measured 2.16 inches. Suzuki recommended using premium-grade
fuel, and the gasoline-to-lubrication mixture amount was 20 to 1.
Dimensions
The 1976 Suzuki Rm370 had a length of 84.3 inches, a width of 38.8 inches
and a height of 47.2 inches. The ground clearance measured 10.4 inches, and
the seat measured 35 inches high. The swing arm had a length of 19.5 inches.
The dry weight of the bike was 235 lbs. Weight was 44.8 percent on the front
and 55.2 percent on the rear. The fuel tank held 2.1 gallons. The standard
front tire dimensions were GS-45F 3.0 by 21.0 inches, and the rear tires
were GS-56F 4.5 by 18.0 inches. Front brakes featured a 5.11-inch
cable-operated design, while the rear used a 5.9-inch cable-operated design.
Design and Features
The front suspension used a Kayaba telescopic fork with 8.66 inches of
stroke, and 247 cc of oil capacity. The rear suspension system used Kayaba/Dr.
DeCarbon nitrogen gas shocks with 8.62 inches of axle travel. The dirt bike
frame featured a chrome, semi-double cradle design. The standard
transmission was a five-speed manual with a straight cut, primary-drive
ratio of 2.384 to 1. Gear ratios were as follows: first: 2.071 to 1, second,
1.624 to 1, third: 1.263 to 1, fourth: 1.000 to 1, and fifth: 0.869 to 1.
The final drive had a 13-tooth counter-shaft and a 50-tooth rear sprocket.
1976 RM125A RM125S, RM250A and RM370A sales brochure
from Finland. Click to enlarge.
These scans was sent to me by Markku
Nissilä from Finland. He scanned the whole Finnish '76 Suzuki lineup
brochure for me to publish on my site. You can see all the brochure
pages
here.
1976 RM370 sales brochure (two pages). Click
to enlarge. Even these scans were
sent by Markku Nissilä, Finland.
1976 RM hop up
kit magazine ad from USA. Click to enlarge. The advert was
scanned and sent to me by Scott Andersen, USA. ”Al Baker developed a
whole assortment of race goodies for the RMs. You could even buy
complete bikes with all modifications already done.”
1977 Suzuki
year code: B
1977 RM125, RM250 and
RM370 magazine ad from USA (two pages). Click to enlarge. "The
RM's: Suzuki's "Screaming Yellow Zonkers".
FRAME #: RM370-17939
ENGINE #: RM370-17946
ENGINE TYPE: 372cc Two-stroke
MODEL CODE: 412
COLOR: Yellow
Box swing arm
Gas reservoirs shocks
Suzuki RM370B test, published in Dirt Bike,
USA, August 1977 (seven pages). Click to enlarge.
The scans were kindly sent to me by Michael Mazza, Australia.
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