SUZUKI RM HP RATEINGS

[shelpi]

Has anyone got or can you tell me where to get the Suzuki RM horse power rateings say from 1976 to 1984

[D project]

I think there are a lot of specs on the allSuzukicycles web site

[shelpi]

I think there are a lot of specs on the allSuzukicycles web site

no worries thanks, tried suzukicycle.org but dont cover all models in all years ie will do RM465 51 hp @ 6500 rpm but not RM500 just wanted to do some hp comparisons especialy when they changed the barrel on the 1984 RM500E apparently the same as the RN500,more power at bottom end and mid range.
can anyone supply the porting profiles ( dimensions) for the RM500E 1984, please

[g465b]

hi, Cycle Guide aug81 issue compared the suz465X and yz465H the following are the dyno specs they printed

rm465x   14.1@4000  15.9@4500  18.4@5000  23.2@5500  27.6@6000  32.4@6500  36@7000  35.4@7500
yz465h    15.7@4        19.2@45      23.1@5        29.5@55      36.1@6        37.9@65      39.8@7     38.7@7500

cycle guide may83 dynoed the RM500D (all figures rear wheel hp)

rm500d    17.2@4000  20.3@4500  24.3@5000  29.3@5500  35.4@6000  39.1@6500  39.9@7000  41.3@7500  37.2@8000

Dirt RIder sep84 issue dynoed the RM500E-

rm500e     17.1@4000   20.9@45     26@5000   32.6@55       36.1@6000   40.8@65      42.9@7000   43.9@75    38.7@8000

the cy.guide may83 issue compared 8 open class 2strokes,sadly on the dyno the RM finished last.
want more ? my I.T dept  (the mrs)can scan stuff,ask politely.      cheers  G

[SON]

I  sold all the 465/500 models new
I was also at the factory in Sept 1982 as they rolled down the production line
I also sold Yam 465/490s new from 80 till 85
I also rode MX and Dirttrack on both models
To me it was never about the horsepower it was always about where it was,
Lucky for me I had several friends who knew a little about expansion chambers
10mm here 10mm there,
Oh almost forgot Frank Pons and his slightly stroked cranks
Marvelous what 509cc would do over 490.

[Lozza]

Torque output tells a bigger story(HP is torque X rpm) then it all has to match the gearbox. The YZ has a fantastic  looking spread of power.

[SON]

Both were / are great bikes to ride
My choice is
RM for MX
YZ for Dirttrack
.
Not to hijack the thread
Are you chasing more horsepower for the RM??

[g465b]

rpm       4000     4500   5000    5500   6000    6500   7000    7500    dyno specs,not factory claims

rm500e   17.1      20.9    26       32.6    38.1     40.8     42.9    43.9       rear wheel hp

                22.5      24.4   27.3    31.2     33.4     32.9    32.2     30.8      torque  pounds/feet

yz490L    21.7      28       32.7    39.7     46        49.8    47.5     48.5      rear wheel hp

                28.5      32.7    34.4    37.9     40.2     40.2    38.6     33.9      torque  pounds/feet

cr480rc    21.4       26.3    33.4    39.8     42.2     42.4    41,6                 rear wheel hp

                28         30.7     35       38       36.9      34.3    31.2                 torque  pounds/feet

yz-4.3 gallons per hr at max. hp
rm-5.7 ''    ''       ''    ''    ''    ''    ''
cr -5.4  ''    ''      '''    ''    '''    ''   '' (all U.S. gallons)

[Rossvickicampbell]

Interesting article on www.suzukirm500.com that shows the 84 RM500 neck and neck with the CR500 for HP but better in torque - however found another article this morning stating that the 84 RM500 was a dog at 43 HP around 10 hp less than the CR500?

[Lozza]

YZ 490 has some serious torque.

[Speed]

You can have a look at the link below. OPEN-CLASS ROOST OFF.

http://davestestsandarticles.weebly.com/uploads/4/8/4/5/4845046/cycle_guide_may_1983_open_class_mxers.pdf

[Lozza]

Brilliant Speed thanks heaps for that, so much for the 60HP 500  Kawasaki looked peaky, YZ looked good, strange dip with the Maico

[SON]

Great article

[shelpi]

excellent guys I got more than I could hope for a very handy tool for makeing the 2rattle tractor engines for sidecars