Yamaha Seca 650 & 750

(XJ650R & XJ750 RJ/RK)

 (updated September 99)

Rim (Seca 650) Rim (Seca 750) Stock Size
Front 2.15 x 19 1.85 x 19 3.25H19
Rear 2.50 x 18 3.00 x 18 120/90H18

Manufacturers' Recommendations

Manufacturer Motorcycle Front size Rear size
Avon
(no data)
Bridgestone BT17 100/90V-19 BT17 120/90V-18
Dunlop
(no data)
Metzeler (U.S.A) Seca 750 ME-33 Laser 3.25H-19 ME-99 A1 120/90H-18
Seca 750 ME-11 3.25H-19 ME-99 A1 120/90H-18
Metzeler (Germany) Seca 650 ME-11 3.25H-19 ME-99 A1 120/90H-18
Michelin Macadam 50 3.25H19 Macadam 50 120/90H18
Pirelli (U.S.A) Seca 750 MT 69 3.25H-19 MT 68 120/90H-18
Pirelli (Germany) Seca 650 MT 69 3.25H-19 MT 68 120/90H-18

Martyn's Opinion

General Comments

While the rim widths appear to differ between the 650 and 750 Secas, the specifications for tyres are the same.  As these are basically similar motorcycles -- a heavyweight 1980's standard -- they have very similar tyre requirements, similar enough to address together.  Fortunately, while the stock tyres are narrow, they are still wide enough for a large selection to be available.

The Safe Bet, General Purpose, Touring

Brand Model Size MAW
Front Metzeler ME-33 Laser 3.25-H-19 $77
Rear Metzeler ME-88 Marathon 120/90HB18 $98

How can you beat the classic ME-33/ME-88 combination from Metzeler?  It's a classic, and deservedly so.  Good predictable handling, long tread life, and legendary wet performance combine for a solid reliable choice.  Even the price has come down to reasonable levels now.

A Tight Budget

Brand Model Size MAW
Front Dunlop K491 Elite II Touring MM90H-19 $60
Rear Kenda K657 Sport Challenger 120/90H-18 $53

The Kenda K657 Sport Challenger is superb value for money on the rear.  Although it doesn't have quite the traction of the premium tyres,  it does perform well in the wet and dry, and returns decent tread life too.  On the front, however, it's less of a bargain -- most riders prefer better traction on the front, in particular in the wet, and it does have a tendency to accentuate any highway weave.  So put the Kenda on the rear, and on the front put a tyre with better characteristics.  Even though the ME-33 price has dropped so much, the Dunlop 491 has dropped more, and so for the tight budget the Dunlop gets the nod.

Sport-Touring

Brand Model Size MAW
Front Dunlop K591 Sport Touring 100/90V-19 $68
Rear Dunlop K591 Sport Touring 120/90V-18 $78

This is not an easy choice.  While Metzeler's ME-33/ME-55A choice is a classic, I feel it is somewhat over-rated, particularly as the ME-33 front tends to slide until it's heated up somewhat.  Especially when you consider that the price of Dunlops has dropped, the K591 stands out as a very good inexpensive choice.  Tread life is not as good as, say, the Pirelli Match, but at this price it's certainly more than tolerable.

Sport-Riding

Brand Model Size MAW
Front Avon Super Venom AM20 100/90V-19 $107
Rear Avon Super Venom AM18 120/90V-18 $106

For Sport-Riding on an older narrow-tyred motorcycle such as this, the best choice is unquestionably the Avon Super Venoms.  Traction and handling are superb, and while tread life is not great, that's of lesser relevance for a sport tyre.

Martyn's Choice

Brand Model Size MAW
Front Metzeler ME-33 Laser 3.25-H-19 $77
Rear Metzeler ME-88 Marathon 120/90HB18 $98

I'd go for the classic ME-33/ME-88.  While it isn't perfect, it's a very good combination for most kinds of riding.


The Full List

(from MAW and manufacturer web pages)

Well-sized matched pairs

This table lists matched pairs with an exact rear.
Brand Front size MAW match Rear size MAW
Avon Roadrunner AM20 3.25-H-19
90/90H-19
100/90H-19
 - 
$90
$103
exact
good
good
Roadrunner AM21 120/90H-18 $118
Super Venom AM18 100/90V-19 $94 good Super Venom AM18 120/90V-18 $106
Super Venom AM20 100/90V-19 $107 good Super Venom AM18 120/90V-18 $106
Bridgestone BT17 Sports Mileage 100/90V-19 good BT17 Sports Mileage 120/90V-18
SE11 90/90H-19
100/90H-19
$76
$76
good
good
SE11 120/90H-18 $84
Continental Blitz TKH-23 3.25-H-19
90/90S-19
$47
$66
exact
good
Blitz TKH-24 120/90H-18 $58
Tour TK-16 100/90H-19 $68 good Tour TK-17 120/90H-18 $80
Dunlop K491 Elite II Touring MM90H-19 $60 good K491 Elite II Touring 120/90HB18 $71
K591 Sport Touring 100/90V-19 $68 good K591 Sport Touring 120/90V-18 $78
IRC Durotour RS-310 100/90H-19 $47 good Durotour RS-310 120/90H-18 $57
Road Winner RW-010 100/90HX19 good Road Winner RW-010 120/90HX18 $73
Kenda K657 Sport Challenger 100/90H-19 $47 good K657 Sport Challenger 120/90H-18 $53
Metzeler ME-33 Laser 3.25-H-19 $77 exact ME-55A Metronic 120/90V-18 $119
ME-33 Laser 3.25-H-19 $77 exact ME-88 Marathon 120/90HB18 $98
ME-33 Laser 3.25-H-19 $77 exact ME-99A Perfect 120/90V-18 $97
ME-77 100/90H-19 $70 good ME-77 120/90H-18 $87
ME-88 Marathon 100/90H-19 $79 good ME-88 Marathon 120/90HB18 $98
Michelin Macadam 50 3.25-H-19 $81 exact Macadam 50 120/90H-18 $109
Macadam 50 100/90V-19 $101 good Macadam 50 120/90V-18 $115
Pirelli Match MT09 100/90V-19 $96 good Match MT08 120/90V-18 $116
Strada MT69E 3.25-H-19
90/90H-19
100/90H-19
$76
 - 
 - 
exact
good
good
Strada MT68E 120/90H-18 $85

Listing by Manufacturer

Avon

Front size MAW match Rear size MAW match
Roadrunner AM20 3.25-H-19 exact Roadrunner AM21 120/90H-18 $118 exact
Roadrunner AM20 90/90H-19 $90 good
Roadrunner AM20 100/90H-19 $103 good
Super Venom AM18 100/90V-19 $94 good
Super Venom AM20 100/90V-19 $107 good Super Venom AM18 120/90V-18 $106 exact

Bridgestone

Front size MAW match Rear size MAW match
BT17 Sports Mileage 100/90V-19 good BT17 Sports Mileage 120/90V-18 exact
BT35 Sports Mileage 120/80H-18 $101 short
BT45 Sports Mileage 120/90V-18 $76 exact
SE11 90/90H-19 $76 good SE11 120/90H-18 $84 exact
SE11 100/90H-19 $76 good

Continental

Front size MAW match Rear size MAW match
Avenue 100/90H-19 $95 good
Blitz TKH-23 3.25-H-19 $47 exact Blitz TKH-24 120/90H-18 $58 exact
Blitz TKH-23 90/90S-19 $66 good
Milestone CM1 100/90H-19 $72 good
Tour TK-16 100/90H-19 $68 good Tour TK-17 120/90H-18 $80 exact
Twin RB2 3.25-H-19 $88 exact

Dunlop

Front size MAW match Rear size MAW match
Cruisemax 100/90--19 $140 good
D401 Sport Touring 90/90H-19 $62 good
D401 Sport Touring 100/90H-19 $63 good
F11 100/90H-19 $56 good K627 130/80--18 $88 wide
F11 100/90S-19 good
K491 Elite II Touring MM90H-19 $60 good K491 Elite II Touring 120/90HB18 $71 exact
K591 Sport Touring 100/90V-19 $68 good K591 Sport Touring 120/90V-18 $78 exact

Firestone

Front size MAW match Rear size MAW match
VT-01F 100/90H-19 good

IRC

Front size MAW match Rear size MAW match
Durotour RS-310 100/90H-19 $47 good Durotour RS-310 120/90H-18 $57 exact
GS-18 100/90H-19 $56 good
Road Winner RW-010 100/90HX19 good Road Winner RW-010 120/90HX18 $73 exact
Wildflare WF-920 100/90H-19 $70 good

Kenda

Front size MAW match Rear size MAW match
K657 Sport Challenger 100/90H-19 $47 good K657 Sport Challenger 120/90H-18 $53 exact

Metzeler

Front size MAW match Rear size MAW match
ME-33 Laser 3.25-H-19 $77 exact ME-55A Metronic 120/90V-18 $119 exact
ME-33 Laser 3.25-V-19 exact
ME-33 Laser 100/90H-19 good
ME-33 Laser 100/90V-19 good
ME-77 100/90H-19 $70 good ME-77 120/90H-18 $87 exact
ME-88 Marathon 100/90H-19 $79 good ME-88 Marathon 120/90HB18 $98 exact
ME-880 Marathon 100/90H-19 $97 good
ME-99A Perfect 120/90H-18 exact
ME-99A Perfect 120/90V-18 $96 exact

Michelin

Front size MAW match Rear size MAW match
Commander 100/90H-19 $96 good
Macadam 50 3.25-H-19 $81 exact Macadam 50 120/90H-18 $109 exact
Macadam 50 100/90V-19 $101 good Macadam 50 120/90V-18 $115 exact
Tarmac (old) 90/90H-19 $77 good
Tarmac (old) 100/90H-19 $62 good

Pirelli

Front size MAW match Rear size MAW match
Match MT09 100/90V-19 $96 good Match MT08 120/90V-18 $116 exact
Phantom MT28 120/90V-18 exact
Route 66 MT66F 90/90H-19 $76 good
Route 66 MT66F 100/90H-19 $74 good
Strada MT69E 3.25-H-19 $76 exact Strada MT68E 120/90H-18 $85 exact
Strada MT69E 90/90H-19 good
Strada MT69E 100/90H-19 good

Key:

Exact Precisely matches original spec
Excellent Precisely matches a recommended alternate
Good An exact or alternate in a different sizing system
Short Exact or excellent width, lower profile.  Consider these both ends to lower the bike
Soft Similar diameter by using a taller profile and narrower width; used on the rear only
Tall Taller profile, stock width; similar in effect to "soft", but for the front only
Wide Same profile, wider tyre.  This MAY NOT FIT your rim.  BE CAREFUL!!!